1 definition by bobbydone

1
Diarrhea, or liquid shit that comes out of your ass. Sometimes occurs when eating Mexican food, eggs, or drinking too much whole milk. Akin to shitting a lot of Yoo-Hoo.
Holy fuckin shit dude, your mom's egg casserole gave me some SERIOUS buttpiss!!
by bobbydone November 23, 2006
Get the mug
Get a buttpiss mug for your friend Nathalie.