Definitions by P-fo Fo Sho 18

Ass-Gasm 

When You are penetrating the ass of your partner and they suddenly shit all over your penis.

Man:Did you hear about mike and his new girlfriend?
Friend: No what Happened?
Man: He was having anal sex with his girlfriend and she had an Ass-Gasm all over his dick. It was Great.

Ass-Gasm by P-fo Fo Sho 18 October 1, 2009