Any sexual act involving da butt
Mark asked me if I wanted to do some butt stuff, so I let him stick his fingers (and his penis) up my butt. It felt really good.
by Kremerica December 03, 2011
Any type of sexual intercourse past french kissin.
So Brett Yates, what were you doin with that girl...french kissin'? Nah we went straight to doing some serious Butt Stuff.
by X6 Mafia March 05, 2009