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1.
KJ
Kristal Joint PCP
A term for the drug PCP
by k September 15, 2003
 
2.
kj
abbv. killjoy / kill joy Australia

A person who wishes to not socialise and have fun, therefore 'killing' the fun, or 'joy' of others
Jane: "Amy you gotta come clubbin..."
Amy: "Nah... I'm tired... I don't want to go"
Jane: "But everyone is going..."
Amy: "Nah..."
Jane: "Oh my god you're such a KJ!!"
by Cho Chang May 27, 2004
 
3.
KJ
the dopest
damn, you're the KJ
by mister September 16, 2003
 
4.
Kj
a sweet talker, breaks hearts as easily as he can mend them. You never know if you're going to have a broken heart or a mended one. He can be so sweet when he wants to be. You think he'll always be there for you, but then in a second he can vanish.
The more Kj rejects me, the more I want him!!
by superbored June 06, 2011
 
5.
kj
or "koala job"

to suspend yourself from a woman's torso in a 69 position and recieve a blowjob but give nothing in return thus resembling a koala.

eating her out while shes hanging from you is a reverse kj.other variations include k69, and the koala toss
yo son i just got this ill ass kj but it blew my girl's back out!!
by hoor3x January 17, 2007
 
6.
KJ
KJ is someone who will treat his girl right. He is very faithful and is a committed gentlemen. He loves his parents and loves rap. KJ stands for Karie Jai. Karie Jai is very handsome and has the most delicious lips.
*A bunch of girls standing and giggling flirtatiously over him*
His Sister: "Ooooo those girls over there are checking you out KJ!"
KJ: " I am I committed man and only love one girl who is for me and only for me."
by LALADODO January 06, 2013
 
7.
KJ
most widley used in the video game world, as kill jack.
also known as a kill steal but you cant yell KS and sound too cool, KJ is the act of killing someone who is already hurt.
by johan ciznero December 19, 2009