ill 

To get shitty or get an attitude with someone. or to be bitter and pissed off, angry, especially when showing disrespect or after been disrespected or humiliated or getting fucked off

goddamnit dont get salty and ill with me mother fucker.

ill by asdasdasnnn3993 March 29, 2010

iLL 

Cool, pimp, mack.

G$ is so cool, he's iLL!

iLL by G$ July 10, 2002

iLL 

Stoned or drunk.

Bored as hell and I wanna get ill...

iLL by rob29 March 18, 2003

ill 

Ill is the terminology used when a person object or situation is portrayed in an unsavory manner.

Dave:"Soo up for some dry martini with that fiine oap?"
Moses: "thats just ill."

ill by GoldenBarrel November 22, 2009

ill 

Used by Uncle Eddie on the show Grounded for Life! Meaning cool, awesome, sweet, etc.

Sean: ...I got Claudia pregnant.
Eddie: That's ILL!

ill by honkhonk August 22, 2006

ill 

baltimore and philly term for the illicit drug PCP/

smokin some ill, gettin ill, etc.

ill by methjwalker June 13, 2005

ill 

To CHill or relax, usually while smoking gods fine herb..weed;

To be tight, approved, awesome

Yooooo...lets ill and smizz some weeezy!

Ill dude

ill by Shiba SHiba September 25, 2003