Top definition
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.
by Kin Versoni May 19, 2007
Get the mug
Get a Butthole Explosion mug for your father-in-law James.