Splash ass is projectile liquid shitting that splashes toilet water back onto your ass. It can be caused by a strong fine diarrhea stream. Or it could take the form of a shotgun blast. Either way it splashes nasty shit water onto your ass.

A polite term for shoving a lubricated probe into the Earth's hole to release gas.

1. something a bidet does. 2. the act of splashing water up and into your asshole.