Definitions by Kin Versoni

Butthole Explosion 

Whilst getting f'd in the a, inside of a hot tub, diarrhea involuntarily sprays out your rectum.

Drunk Girl in Hot Tub: Holy shit, i think im gonna (butthole explosions), OMG ahhahaha.

Everybody else: WTF?????? That bitch is fuckin whack.

Butthole Explosion by Kin Versoni June 7, 2007