1 definition by TheExplosionExpress

sincredible

1.Adj. Something so amazing, so pure, and so gratifying. It's a sin

2.Adj. An amazing sexual experience involving anal sex.

Person 1: So how was that chick u took home last night?

Person 2: Dude she was off the chain. It was sincredible.

by TheExplosionExpress July 28, 2010