by Webster April 18, 2004
Get the butt mudmug. A sludge like matter that flows from one's anal crack, usually initiated by a upset stomach. See also
by Jay Vinson November 16, 2006
Get the butt mudmug. The splooging of the rectal cavity with enormous force resulting in brown liquid; bodily waste disfunction
by Brett shithispants May 13, 2005
Get the butt mudmug. by the guat April 9, 2004
Get the butt mudmug. by Isaac January 5, 2004
Get the butt mudmug. by Einstein April 30, 2003
Get the butt mudmug. 