jk
-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
JK
Just Kitten (meow!)

^What exactly is a "kidding?" Nobody ever told you what a "kidding" was. You just immediately are taught to say "Just kidding with you" or "Just kidding." "Just kitten" just MAKES MORE SENSE.
JK. Just Kitten. Meow!
by PhatNotes June 17, 2010
JK
JK is the new unlimited Jeep model with 4 doors.....
Damn look at the JK flex...
by HeatherHovey May 14, 2008
jk
Joke, Joking, or Just Kidding, because they all mean the same thing regardless of what Lee tells you.
Lee is a smart person. jk
by aspartamed April 04, 2013
JK
A abreveation of "just kidding". Origanated from AOL instant messenger (AIM). Also stated as JK'ing.
person 1:I heard Canada was anexed into the U.S.
person 2:That is the most retarted thing i have ever heard
person 1:Oh, i was JK.
OR
person 1:Oh, i was JK'ing
by MEMAW March 24, 2006
Jk
Just kidding
Aw dawg you look like shit today, jk, you're ugly as fuck..
by gerndebaby March 28, 2014
JK
A typical fire crotch who loves to complain and bitch about everything throughout the day.

Often liking to say Just Kidding to cover up his bitchyness.
Yea that sound's boring, JK im just broke.
by BFFL United. December 12, 2009
JK
Meaning "Jerk Kill"

When your jerking off and you are rudely interrupted.
"I caught Abner Jerking off a little while ago"

"Brandon, that's such a jk"

"Yeah I know Truman now hes mad at me"
by Higherel July 15, 2009

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