15
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
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16
JK is the new unlimited Jeep model with 4 doors.....
Damn look at the JK flex...
by HeatherHovey May 14, 2008
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17
short for joking, that ppl type in e-mails, on the web, etc.
You're real ugly
jk, jk
by Rosey July 05, 2003
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18
Aw dawg you look like shit today, jk, you're ugly as fuck..
by gerndebaby March 28, 2014
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Donkey Punch Plush

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19
A guy in southwest louisiana whos nickname happens to be jk
JK is always getting mad because people make fun of his name.
by Jk Fayko January 12, 2008
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The vengeful act of crapping on a lover's chest while they sleep.

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20
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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21
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
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