When you say this line with another person, it's 100% certain that you both are inlove with each other.
you know, i know

jimin: you know
yoongi: i know

In conlusion, yoonmin married.
by yoonmignon May 29, 2020
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All this is no coincidence

Just, just, by my feeling

The whole world is different from yesterday

Just, just, with your joy

When you called me

I became your flower

As if we were waiting

We bloom until we ache

Maybe it’s the providence of the universe

It just had to be that

You know, I know

You are me, I am you
by Seesaws of serendipity February 15, 2020
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When you and/or your friend type something in a group chat that is related to something only you two know so you send the you know that i know that you know that i know and confuses everyone else
Friend 1: has crush on John

*in le group chat*
Friend 1: why the hell is John's name in there
Friend 2: you know that i know that you know that i know
Friend 1: ahh yes
Everyone else: i am confusion
by RapoloMan January 10, 2020
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1- The preferred method of asking someone if they are aware of the signs and tell-tale indications that make another aware of the person in question's homosexuality. This phrase was made famous in the movie, 'The 40-Year Old Virgin'.
PAUL: "You know how I know you're gay?"
GREG: "How?"
PAUL: "Because you have a triangle rainbow bumper sticker on your car that says, 'I like balls in my face.'"
GREG: "That's gay!?"
by PopFreeMonkey March 1, 2007
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The method of telling someone that they are gay.
Making them aware of the signs and tell-tale indications that make another aware of the person in question's homosexuality
Nelson: Dude you know how i know your gay?
Jean: How
Nelson: Because you want me to tuck my dick and nuts back and play chuck norris "fire walker" with you...Fag!

Jean: You know how i know your gay?
Nelson: How? Cause your gay and can tell whos gay in the world?

Nelson: you know how i know your gay?
Jean: How
Nelson: You are Toms number one friend on MYSPACE!
by Jean is GAY January 20, 2008
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used to make someone aware that they are about to be told why they are gay. Used several times in a popular movie starring Steve Carrell called 40 Year Old Virgin
Bob: You wanna know how I know your gay?
Callum: How?
Bob: Because you got a tent when playing rugby in sports lessons . . .
by arsenalman November 27, 2008
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prob lee know’s most iconic quote ever. he said it many times, even in TATH. lee know, you know (i know, lee know) the kpop idol… no? NO? BRUH GO LOOK STRAY KIDS UP RN THEY’RE AWESOME
pig: “hey did you hear—“
dog: “that you know, i know, lee know?”
by StrawberryKat April 28, 2023
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