Diarrhea that is so water-like, it feels as if you are pissing out your asshole.
Damn, I had those 12 Chalupas, now I have a bad case of butt pee or ass piss.
by Big-Z™ October 17, 2005
Get the butt pee or ass piss mug.
All that comes out of your ass after a night of ingesting large amounts of Buttwieser.
I got off the toilet after an hour and all that came out was butt pee.
by you know my fuckin name! June 20, 2003
Get the butt pee or ass piss mug.