To curl your finger in a J shape and use it to lift someone's breast in an upward motion. Usually only done to fat kids or girls with big boobs.
My Girl friend annoyed me so much today, I had no choice but to J Hook her so hard her boob hit her in the face.
by take1 May 19, 2008
j/k is common'ly used on most internet based chatting advocates it means"just playing,or just joking"playing aroundmostly used in forums or online games.someone says a de`meaning sentence to some one and after 3 seconds, after the other person is already steaming with anger the offender types i am j/k its really stupid in my opinion but it will never fail to be typed, sometimes said outside of the web'.
guy1:hey dude your moms such a bich and a big slut,you wanna know who your dad really is?".
guy2:.......
guy1:j/k hahaha.
guy2:.......
guy1:j/k hahaha.
by Linux_guy October 03, 2007
A mental institution. Funny farm. loony bin. So called after an Australian prison for the criminally insane.
by dominew March 22, 2017
another word for masturbation.
by G_DUBSKI August 04, 2009
Lil J has a huge penis
by I wanna fuck Kylie Jenner October 12, 2018
by Cummy worm November 29, 2010
"Hey, do you want to go push religion on the world and demand research be done on why the world is flat"?
"Na, I'm a practicing j-atheist."
jew,atheist
"Na, I'm a practicing j-atheist."
jew,atheist
by nog-d March 22, 2011