Definitions by Mack'N

illin 

Partaking in an activity which authorities would class as being no good. Range of illin activies are numerous and cover a wide spectrum of "offences" from loitering to smoking an L or casing a joint.

Martin: "Hey Bart what you up to?"
Bart: "Just chillin, little bit of illin..."

illin by Mack'N November 1, 2005