Avoid using this abbreviation in business or professional settings because it is so casual. It is typically used to show appreciation of an act of kindness by a loved one. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. When used in text conversations, ISTG retains its original meaning of “I swear to God. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. 查看翻译. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. It can be a powerful tool for self-motivation and encouragement. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. "I swear to. ISTG means I swear to God. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. Every TikTok user's FYP. Testify. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. Specifically, as internet usage is increasing daily, people. suggest new definition. Clear Of Patient Diagnosis B. TikTok lingo is hard to keep up with. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. It can often. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. ISTG and OMG can also be used interchangeably often. STG means different things to different people but its most common meaning is ‘Swear To God’. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. ISTG is simply an acronym that means I swear to God. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. ISTFG. Some of these words and acronyms are used on other video games and social media platforms too. I’m beyond shocked. It is used to express frustration, anger, or disbelief. It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. 2. ISTG Meaning= ThreatUse Cases & Examples. Simply put,. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. I swear to fucking god. ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. OFC meaning: of course. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. ABC – This doesn’t stand for anything. Usually used after saying something ‘cool’. In conclusion, “ISTG” is an acronym that stands for “I swear to God. This phrase is often used on social media while making public posts or in private chats. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Abbreviation of I Swear To Mother Fucking God. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited. ISTG is an acronym that is short for “I swear to God”. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. It could be used to show how excited they are or to express. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. This is a common acronym that is used online, typically in text-based communication. ILYSM means "I Love You So Much. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. This initialism should be avoided in professional situations or in conversing with someone who is religious. What Does ISTG Mean? Introduction. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. 3. I Swear to God. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. ATP meaning: answer the phone. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. This is also very similar to. ETA meaning: estimated time of arrival. ISTG has multiple definitions that can be used in various settings. Meaning. The media could not be loaded, either because the server or network failed or because the format is not supported. ISTG can be used in various contexts and can have different implications depending on the conversation. ISTG Unveiled: Introduction to the Slang. ILYSM can be used to express profound affection. It can be written in both lowercase “istg” and capital “ISTG” letters. ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. It is a stronger version of the phrase “I swear”. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. ISTG Meaning= Threat Use Cases & Examples. I swear to fucking god. It stands for “I swear to God. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. ”. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. Usually, students or the young generation use this acronym. The phrase was later. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. It is often used in informal conversations, especially when expressing frustration or disbelief. What does istg mean in text. FYP means For You Page. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. Having a parental control app on your child’s phone will give you. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. IYKYK meaning: if you know, you know. This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. Swear to fucking god. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. One of the known acronyms is “ISTG” or “istg”. This expression is used to emphasize the truthfulness or seriousness of a statement. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. GTFO can be used to express disbelief or displeasure. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. The “baby” part of the phrase isn’t a literal reference to a child, and. This is only for close friends. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. Use Cases & Examples. HMU meaning: hit. ” Origin of ISTG. One such popular slang on platforms like Snapchat is ‘ISTG’. However, as with many other abbreviations meaning "I love you," it should not. " ISTG is used to add emphasis to a statement (usually a promise, threat,. This is also very similar to. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. It may sound like a new term to some, but this one is very familiar to social media users. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. This expression is most likely something you've heard in ordinary conversation. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). Since this is a very casual acronym, avoid using it in. ISTG is an acronym that stands for ‘I Swear To God. ”. In texting lingo, “istg” simply stands for “I Swear To God”. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. ISTFG. ”. ISTG stands for “I swear to God” in texts and on social media apps. Here's what this versatile slang term means and how you can use it in your messages and social media posts. Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. ”. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. Throughout the years, a variety of terms have arisen which make it easier to communicate online. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. As in, I swear that actually happened. The acronym ISTG is commonly used in text. ISTG is an acronym that stands for “I Swear To God”. ISTG is an acronym that means I swear to God. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. Like, "ISTG, if I get one more. Here’s our round-up of the latest Roblox slang. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. . Usually, students or the young generation use this acronym. How Is ISTG Used? Use Cases & Examples. 2006)Texting with friends is the best way to use this term. It's used express emotional sincerity or to seem intimidating. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. ISTG Meaning= Threat3. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. It could be used to define the frustration or annoyance you might have towards something or somebody. This abbreviation is typically used to express surprise, confusion, disbelief, or. IYKYK meaning: if you know, you know. Sub the Gamer security threat group. . Specifically, as internet usage is increasing daily,. It’s a widely used acronym in text messaging and online chatting on social networking sites. ISTG Meaning. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. ISTG Meaning. This initialism should be avoided in professional situations or in conversing with someone who is religious. I swear to God. Definition of ISTG in Slang/Internet Slang. Simply put, “ISTG” stands for “ I swear to God . I Swear to God. ISTG Meaning. ”. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. This phrase should only be used in casual conversation. You might learn your child is using this slang term by chance when a text pops up on the phone screen. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. OFC meaning: of course. It’s similar to the term ‘ONG. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. Today, I'll walk you through what ISTG means in text. '. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. In summary, ISTG is an acronym widely used in informal online communication. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. The term comes from “shipping” within fandom culture. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. It is an expression used to emphasize the truthfulness or sincerity of a statement. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. Get all the news you need in your inbox each morning. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. suggest new definition. ” Kids often use this to express frustration or exasperation. Prison gang. ISTG. "I swear to. This phrase is typically employed to express surprise, disbelief or concern over a given situation. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). What does ISTG mean? ISTG means “I Swear To God”. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. What does ISTG mean in the text? Ans. One of the main uses of ISTG is in text messages or chats, either between friends or in a. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. "I swear to. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. ”. Origin of ISTG. ISTG stands for "I Swear to God. Start the day smarter. OTP meaning: one true pairing (a couple that fans prefer to all other. Pinky promise. TLDR meaning: too long; didn't read. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. " “ISTG” meaning over text message. Promise. Complaint Of Patient Data C. Person1: I'm so exhausted. The Meaning of ISTG in Text. ISTG is short for "I swear to God. The abbreviation “ISTG” is a shorthand. It’s also like STG. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. FOMO meaning: the fear of missing out. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Well, fret not – I’m here to help unravel the mystery for you. ’. STG: You can swear to god when you are frustrated or in exacerbation. 2. A. A very dramatic phrase to be used only in exceptional circumstances. Here’s what this multifaceted slang term means and how you may. TLDR meaning: too long; didn't read. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. new search. ” This abbreviation is commonly used in informal conversations on various digital. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. It is commonly used as an exclamation or interjection. ISTG Meaning= Expression of Disbelief4. 1 definitions of ISTG. new search. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. ISTG stands for: I Swear To God. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. ”. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). You will find information about the origin and other possible meanings in all types of information on this acronym, including its. ETA meaning: estimated time of arrival. This initialism should be avoided in professional situations or in conversing with someone who is religious. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. In summary, ISTG is an acronym widely used in informal online communication. This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. Get all the news you need in your inbox each morning. It can be used to express emotions, surprise, or sudden kind of feelings. ISTG is simply an acronym that means I swear to God. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. ISTFG. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. ”. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. ISTG Meaning= Honesty or Certainty2. STFU is an acronym that means "shut the fuck up. B) used to be the symbol of a person wearing sunglasses with a smile on his face. Page ContentsWhat Is ISTG Meaning1. Essentially, ISTG is a shortcut way of saying "I. Overall, the acronym STG stands for “swear to God. ”. It represents an empathetic or mildly shocked response to unexpected news or events. It's not typically used in a religious context. It is commonly. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. 1 definitions of ISTG. ISTG is an acronym used for “I Swear To God. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. Today, I'll walk you through what ISTG means in text and other text. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. 4. ISTFG, I can’t believe she actually said that to me. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. ”. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. STFG stands for Super Teacher Friends Group. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. Start the day smarter. ISTFG. "I swear to. Jamie Grill / Getty. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. It can also be an expression of surprise or. ISTG stands for “I swear to God. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. When someone uses ISTG, they are essentially emphasizing. It can be used to express emotions, surprise, or sudden kind of feelings. ISTG is an acronym used in texting, which stands for “I swear to God. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. What Does Istg Mean? The acronym ISTG stands for “I swear to God. ”. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. This initialism should be avoided in professional situations or in conversing with someone who is religious. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. ISTG. It’s also like STG. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. This. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. Meaning. It can be used as an exclamation, where users are expressing disbelief or shock. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. ISTG stands for I Swear To God. ”. The ISTG acronym is commonly used in response to a person who doubts something that you said. What does Istg mean in text message . Chronic Obstructive Pulmonary Disease D. You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. For example, they might say “ISTG this homework sucks. It can be used to convey sincerity, make promises, express annoyance, and more. HMU meaning: hit me up. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. ISTG is often used in informal conversations, texting, and on social media platforms. They are there for each other on the good days and the bad days. LFG meaning: let's freaking go. Definition of ISTG in Slang/Internet Slang. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. This is a group of teachers that are more than friends. In a different context, “sw” can also mean “someone who. ” Definition: Istfg is an acronym for “I swear to f Up. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. Use Cases & Examples. ”. Here's what "ISTG" means and how you can use it in your next text exchange. They prefer to work in traditional organisational environments, with people who take their. ” Origin of ISTG. It's a close relative of the OMG (Oh My God). IMO meaning: in my opinion. Guarantee. For example, three sample text messages using the abbreviation ISTFG could be: 1. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. This phrase is used to emphasize the truth of a statement or assertion. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion.