1 definition by Joe_M2

1. Verb: A depraved act in which one extends his or her middle finger, dips it in mixture of lemon juice, hot sauce and Borax brand powdered bleach, rolls it in broken glass, and shoves it violently into the victim's asshole. Preferably while they sleep.
Joya wouldn't shut up about the windshield on her car, so I snuck into her house at 2am and slipped her The Sickass.
by Joe_M2 August 30, 2006
Get the Sickass mug.