Top definition
-just kidding
-What people use to say crap about you to you in your face and mean it but not be a complete jerk directly to you, but still are.

FYI: 75% of the time people say JK they aren't...
(Football Team's record is 0-10)
Player: You are the freaking worst QB I have ever seen!! JK!
QB: ..... ..lets see you do it......
by David Rivera May 21, 2006
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Feb 25 Word of the Day
Who fucking knows anymore? First, it meant factual, and now it means fictional. What the fuck, internet... what the fuck?
wrong-->"Oh my god, Jessica, your post literally scared me to death" right--> "I literally wrote this post at 3:04 A.M."
by Deathmatch1127 April 14, 2015
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2
High school girl. Comes from “Joshi Kohsei” in Japanese. “Joshi” means “girl”, and “Kohsei” is an alternative form of “Kohkohsei” which means “high school student”.
JK is cute.
by sb0 September 21, 2019
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3
Something you say at the end of
a sentence to avoid getting beaten up when you
call someone a useless fucktard
by Mrtalldude94 June 30, 2010
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4
you ugly as a troll in the morning. jk'in ya just jk'n ya!!
by catie H December 11, 2003
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