illin'

1) Trippin', acting erratically or inappropriately.
or
2) Having fun, or messing around.

1) My parole office is usually cool, but he started illin' when I told him I was back to shooting heroin and pimpin' hos.

2) Me and my boys was just sitting around illin'...

by buddhablaze January 28, 2003

illin

going crazy/buggin

You know the moon isnt green are you illin!?!?

by Soledad July 23, 2003

illin

A word used to describe something that is both "sick" (amazing) and "chilling" (relaxed). Synonomous with "epic" and "legendary" although with a somewhat more relaxed connotaion.

Yo brosif, that headshot was straight illin like a villain yo!

by CandyMan77 March 25, 2009

illin

Something pirates and theives and beastie boys do well and often.

"Most illinest b-boy - I got that feeling
I am most ill and I'm rhymin' and stealin'

by jim December 30, 2005

illin

Doing whatever; going O.D.

Yo every day we be illin.

by Flame777 October 09, 2010

illin

Doing stuff you shouldn't be doing (aka bad shit) while hanging out with friends, like drugs or vandalism.

Donna: "What are the plans for tonight, Fred?"
Fred: "Oh Hangin', Chillin'.... Little bit a illin."

by Shannie January 05, 2006

illin

the opposite of chillin

Ex. If you make a basket and you yell "Touchdown!"

by Coral Fang December 05, 2003