An affirmation that you agree with or can relate to the preceding statement. It can be used whether the speaker actually knows or not, but in the latter case it usually means that the speaker can attribute the preceding statement to themselves as well.
"I got so drunk at the party that I puked when I got home." "I know, right? I think I might have barfed up stuff from last year."

"My parents are such trogs." "I know right? Mine think my LJ is a literal notebook."
by Kevin Fox April 30, 2008
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An extremely fucking annoying expression used by everyone at school to say they are in total agreement. Usually used by dumbshits who think they are cool.

It has even become so popular that it is abbreviated "IKR" via texts and Internet, particularly Facebook.
Curtis: "Dang, that test was not even close to as hard as I thought it would be."

Shawna: "I know right?"


Trey: "Man, this lunch is so good!"

Shawna: "I know right?"

Cool kid: "SHUT THE FUCK UP ALREADY! NO, I DO NOT KNOW IF YOU KNOW!"
by Cool Kid AKA Dudio March 28, 2009
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The Canadian way of saying I know, right?; a way of agreeing with a previous statement.
"I hate the portrayal of Canadians on American television."

"I know, eh?"
by kittenn1011 May 17, 2011
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This is a recently popular expression of agreement that carries a subtext. It is more than agreement with an idea (observation, opinion); it is a friendly assertion that the speaker has already had the same idea–as in, "yeah, I know"–but it goes further: it seeks validation for the speaker's claim of precedence, from the very person whose claim he's jumping. The subtext might be "Oh, you took my idea; you should be agreeing with ME, not vice versa."
Student: I couldn't pay attention to the lecture because of that ball of sweat hanging from the professor's nose.

Classmate: I KNOW, right?
by justcary December 5, 2010
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IN BRIEF: This phrase is another way or a confident way of saying "I know".
NOTE: That's what I know is another way or a confident way of saying "I know".
by Mr. Terrence L. Trezvant May 26, 2010
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when someone is asking you a question that you dont know
G-"hey what happened with sarah?"

K-"the fuck if i know"

G-"well then..."
by WhiteCat November 22, 2013
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