'jokes' used by many in msn chats
~me~: i killed my teacher 2day

~u~: dood thats totally jks
by tom_i._sux February 15, 2004
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Just kidding sucka. A play on the traditional slang term jk.
Jesse: Dude, I think I just saw John Stamos.

Adam: Really?

Jesse: No...jks.

Adam: What does the "s" stand for?

Jesse: Sucka!
by Jesse G February 28, 2008
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"I am so mad about this thing on my facebook/twitter/instagram/social media feed"
"Whatever, man. If you don't like it, jks.
by rooooooooooo December 16, 2015
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Just kidding the just kidding.

They cancel out becoming what you really meant to say.
Erma: "Am I a bitch?"
Denise: "Totally! Jk the jk hehe"
Tom: "You sly dog, Denise."
by YORP ! March 4, 2011
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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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Stands for ‘just kidding ‘.

Seriously, if you don’t know what JK means, you should go jump off a cliff.
Kid: “Bro, he’s such a stupid dude, I could get him to eat shit without hesitation.”

Above mentioned dude: “What the fuck did you just say about me!!!!!?”

Kid: “JK dude. Chill out, it was only a joke—“

*gets beat up*
by Kirishima Touka February 25, 2018
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-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 22, 2006
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