A particularly soft bowel movement, usually diarrhea-like.
After a hard night of drinking, I was a butt mud factory.
the primary mortar ingredient found in the crack of the ass, used as the cement to hold dingleberries together.
mom to child: make sure you wipe the butt-mud out of your crack
butterscotch pudding from the rectum
i went buttmud all over your face while you were sleeping , sorry
Tom spread buttmud all over Jane's face.
A sludge like matter that flows from one's anal crack, usually initiated by a upset stomach. See also
Man, that Randi Roads radio show really gives me butt mud!
The splooging of the rectal cavity with enormous force resulting in brown liquid; bodily waste disfunction
Jamie's butt mud was all over his pants on the day of the parade.
I made the fattest mound.