The smegma produced by ones ass after a long day at work and multiple farts.
Dude, I don't feel fresh at all after working that long shift. I think that I have cooked up a batch of butt hummus.
by Big Daddy Steve April 29, 2008
Slang term for diarrhea.
That Indian food gave me mad Butt Hummus
by Bave Thields May 17, 2009