ass-gasm 

an orgasm stimulated by penetration of the ass.

my girlfriend just had an ass-gasm

ass-gasm by Kerndog October 26, 2003

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

assgasm

An orgasm brought about by anal sex.

Tom: Did you like how I f*cked you in the ass?
Cindy: Yeah, you totally made me assgasm.

assgasm by BritishBanter July 5, 2016

assgasm

An orgasm achieved from anal stimulation.

Ben: Can girls have assgasms?

assgasm by sterlingheights September 25, 2005

Assgasm

Involantary spasm of the prostate gland as a result of anal exploration!

I accidentally shoved my thumb up my arse whilst speed wanking and had what i can only describe as an 'Assgasmmmm'

Assgasm by Danny Desuza November 2, 2009

Pounding Assgasm 

reaching an orgasm via the anus with the assistance of a jack hammer.

Bryan had a pounding assgasm when his boyfriend Raul brought home his work truck.

Pounding Assgasm by BClover October 9, 2007

Assgasm

When your farts are so good, and powerful it vibrates your butthole and gives you chills.

I just had an amazing assgasm

Assgasm by Ass master 6869 May 7, 2017