J's 

Junkies; A group of drug users of heroin, cocaine, or crack.

"I gotta get outta herre its too many g'damn j's!!"

J's by Mrz. Chievous December 26, 2005

j's 

Short for jumpshots.

He's making those j's look easy from that range.

j's by D-Miles October 15, 2006

j's 

on ur own

i will get u when ur on ur j's

j's by Anonymous October 27, 2003

j's 

Means to be on your own "on your j'z", i think it originated in east london, but i'm pretty sure dizzee rascal coined it in Fix Up Look Sharp...
- variations include j'z, js, j's but its pronounced jays

"don't blaze when i catch you by your j's"

j's by rockafella_skaz July 6, 2005

J's 

A southern term for the word "Junkie"

A person that is an drug addict!

I saw those J's going into the crackhouse across the street

J's by CherriMarie August 30, 2009

J's 

Slang word for vagina

Pocket full of Magnums fuckin' somebody daughter
Somebody momma in somebody bed
Fresh pair of J's, between somebody legs

J's by Young Jeezy0000009 September 9, 2010

j's 

Short for Jack Jones's - On your ow.

"Have a TOP night?"
"I was on my J's, this lightweight took the early back door exit"

j's by ~Dark.1~ January 8, 2005