A particularly soft bowel movement, usually diarrhea-like.
After a hard night of drinking, I was a butt mud factory.
by Webster April 19, 2004
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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!
by Jay Vinson November 15, 2006
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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.
(or)
I made the fattest mound.
by Brett shithispants March 22, 2005
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clingy shit in your asscrack. most commonly found while shitting.
HEY CUNT! don't forget to wipe your butt mud!
by the guat April 9, 2004
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excrements of the gigantic flaps of meat below your back; see poop
oh my god! I've never seen anyone chug that much butt mudd at once.
by Isaac January 5, 2004
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Wipe your ass so your drawers don't get covered in butt mud.
by Einstein April 30, 2003
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