Definitions by Jivesy McGee

Coitus Interuptus 

When something like a fart or an awkward action of some sort interupts a couples intercourse making the male's genitalia go limp, thus ending the sexual act.

Jimmy: Ugh, something stinks!
Jaunita: Oh, sorry.
Jimmy: Damnit this shitty situation is coitus interuptus.

Coitus Interuptus by Jivesy McGee December 14, 2010