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
Remarkable, outstanding, astonishment
Dude.. them jeans be illin'
By The Chow Man
to be acting lame. usually a pretty dope person acting totally whack. something a hater does.
Dirty Dan: BababaBiyatch, hows it crackin baby bizzle? Charisse: Shut the fuck up; you be illin' douche packer.
By Ambassador-C
The act of hatin on somebody.
Shaniqua was illin' me for dressin better than her.
By Aramel
Relaxing while plotting bad stuff etym: comb. of Chillin' and "ill will"
Dr. Evil was illin' with his cat, deciding how best to deal with that freakazoid hippie fool
By cyberpope67,BC,Canada