Short for job justifier. One of those people who often creates drama -- and work -- to show the world they deserve their paycheck.
Bill's such a JJ. He made us polish all the chrome in the car lot because he heard there was fog this morning.
by Aaron Stowe March 06, 2009
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JJ is a guy that's incredibly attractive and has a huge cock (bigger than average)
Damn look at JJ's dick....
by Alex Richard December 23, 2016
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just joking - used in msn conversations etc
pity u don't ... jj
hahahah
by Ched September 10, 2005
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acronym for a "joint and jerk", which means to smoke a joint and then jerk off.

Step 1: Smoke Joint
Step 2: Jerk Off
That chick blueballed me so I am going to have a JJ then fall asleep.
by Bobbbbbbbbmarley December 23, 2007
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A boy who comes off as sweet & flirtatious but is really just a player in disguise. Don't be fooled by his sweet words or actions, because within a few months, you will mean nothing to him. He is rude & only cares for himself. Probably one of the stupidest human beings you will meet. Never fall for a JJ or you will be depressed for months.
"Remember when you & JJ dated?"
"Worst mistake of my life!"
by candykisses01 August 18, 2012
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It stands for "Just Jesting" and is a sophisticated alternative to jk
Bob: "Hey Gina, you look fat in those pants!"
Gina: "Why you son of a..."
Bob: "JJ!"
Gina: "haha!"
by cool4dude March 21, 2006
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A wierd girl who wears odd socks and can't spell her name properly.
OMG!! u seem so JJish
by veryfunnyperson April 06, 2009
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