What Does “YK” Mean? (Plus, When & How to Use It)

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Discover the multiple uses of “YK,” according to Gen Z
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You may have seen “YK” pop up over text or social media, but what exactly does it mean? This popular acronym stands for “you’re kidding” or “you know,” depending on the platform and context of the conversation. In this article, we’ll teach you everything you need to know about “YK,” including its various meanings, uses, and other popular slang terms.

“YK” Meanings & Uses

“YK” stands for “you’re kidding” in texting or “you know” on social media. Text “YK” (“you’re kidding”) to check whether someone is being serious. Use “YK” (“you know”) to get validation on your perspective, or to caption a post on Instagram or TikTok.

Section 1 of 4:

What does “YK” mean?

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    People use “YK” to convey shock or disbelief toward something that’s been said. [1] Since it can be tricky to tell whether someone is joking over text, it’s the perfect response to check if they’re being silly or serious. Think of it as another way of saying “seriously?” or “really?”
    • Feel free to write the acronym in all uppercase (“YK”) or lowercase (“yk”).
    • “YK” is a slang term, so reserve it for casual conversations with close friends, colleagues, or family members.
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    On Instagram and TikTok, the acronym “YK” stands for “you know.” It’s a filler word that’s used to emphasize a point, or confirm a shared experience or viewpoint. [2] If you want someone to agree with you, for example, “YK” is the equivalent of asking “are we on the same wavelength?”
    • Most people use “YK” to check if they’re on the same page as someone else, but it can also be used to add personality to a social media caption or comment.
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Section 2 of 4:

When & How to Use “YK”

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    If someone shares something crazy or unbelievable, respond with “YK” (“you’re kidding”) to confirm you heard them correctly. It’s an easy way to express your disbelief and get more details about the situation. [3]
    • Them: “I’m moving to NY!”
      You: “YK!”
      Them: “No, it’s actually happening! I leave next month 😆”
    • Them: “Jake broke up with Stephanie!”
      You: “YK!!”
      Them: “I’m serious! He found out she was talking to another guy on the side.”
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    If you’re speaking to a close friend or family member, use “YK” (“you know”) to confirm your idea or perspective. It’s sort of like adding “right?” to the end of your statement, prompting the other person to reply.
    • You: “I was just looking out for her, yk?”
      Them: “Totally. You did what any friend would have done in that situation.”
      You: “Exactly!”
    • You: “I still can’t believe she’s married, yk?”
      Them: “Same! It’s crazy, but I’m happy for her.”
      You: “Yeah, I hope everything works out for them!”
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    Looking to add flair to a standard social media caption? Throw out “YK” (“you know”) to showcase your vibe and let people know what you’ve been up to!
    • “Just out here living my best life, yk 💁‍♀️”
    • “YK, I could get used to this… 🥥🍹🌴 #islandgirl”
    • “Nothing’s better than a glass of wine under the Eiffel Tower, yk?”
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    If your friend posts a cute photo or video online, use “YK” (“you know”) to compliment them . It’s a sweet way to boost their self-esteem and solidify your bond.
    • “YK you look hot rn 🔥”
    • “You’re so gorgeous, yk.”
    • “YK you’re an absolute dream girl 😇”
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Section 3 of 4:

How to Respond to “YK”

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    If someone texts “YK” (“you’re kidding”) to see if you’re being serious about something, use “JK” to confirm you’re joking around. It stands for “just kidding,” and it indicates that what you said isn’t true and shouldn’t be taken seriously. [4]
    • You: “I failed the exam…”
      Them: “YK!”
      You: “JK, I made a 100 🎉”
    • You: “I got accepted into Harvard!”
      Them: “YK, right?”
      You: “JK! You know me too well 😂”
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    If someone uses “YK” (“you’re kidding”) because they can’t believe what you’re saying, use “NJ” or “NK” to confirm you’re being serious. Both terms validate that you’re not playing around, even though your story seems ridiculous or unbelievable. [5]
    • You: “Sorry, I can’t pick you up. My car is at the shop right now.”
      Them: “YK!”
      You: “NJ, someone side swiped me last week.”
    • You: “I’m officially off the market!”
      Them: “YK!”
      You: “NK! Louis proposed to me 10 minutes ago 💍”
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    If someone uses “YK” (“you know”) as a question, respond with “totally” or “I agree” to express agreement with them. It’s a simple way to affirm their statement and show that you’re listening to what they have to say.
    • Them: “I just had to approach him, yk?”
      You: “Totally, he was super cute!”
    • Them: “I can’t believe we’re graduating, yk?”
      You: “I know! It feels like we were freshmen yesterday.”
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    If someone uses “YK” (“you know”) to compliment you, reply with “TY” or “thanks” to express your gratitude. [6] It’s a short and simple way to thank them, especially if you can’t think of anything else to say.
    • Them: “YK you’re the cutest girl at school!”
      You: “Thanks 💓”
    • Them: “How are you single? You’re beautiful, yk.”
      You: “Aw, ty 😊”
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Section 4 of 4:

Other Popular Slang Words

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    This popular slang term stands for “if you know, you know.” People often use it to refer to an inside joke or shared experience with a select group of people, without providing any further information. [7]
    • “Last night was a movie! IYKYK 😉”
    • “2011 Lana Del Rey was everything (IYKYK).”
    • “The struggle of trying to park on campus…IYKYK”
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    This common slang term is short for “I know right,” which is used to express agreement with someone. It’s a quick and easy way to validate someone’s feelings , thoughts, or ideas, so most people save it for casual conversations with friends and family members. [8]
    • Them: “Sheldon is such a try hard.”
      You: “IKR!”
    • Them: “There’s no way I’m going to get through all the problems.”
      You: “IKR, Ms. Perkins is being so unrealistic about deadlines.”
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    “FR” is an abbreviation for the phrase “for real.” [9] People often use it to express agreement or confirmation with a statement, but it can also be used to check if something is true.
    • Them: “I passed my driving test!.”
      You: “No way, FR? Congrats!”
    • Them: “I needed it to be Friday on Monday.”
      You: “FR, this week has been so slow.”
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      References

      1. ↑ https://www.noslang.com/search/yk
      2. ↑ https://www.merriam-webster.com/dictionary/you%20know
      3. ↑ https://www.noslang.com/search/yk
      4. ↑ https://www.dictionary.com/browse/jk
      5. ↑ https://www.dictionary.com/browse/no-joke
      6. ↑ https://www.wm.edu/as/wcc/newresources/handouts/text-language-and-slang.pdf
      7. ↑ https://www.dictionary.com/e/slang/iykyk/
      8. ↑ https://www.grammarly.com/blog/ikr-meaning/
      9. ↑ https://axis.org/resource/a-parent-guide-to-teen-slang/

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