adjective; the overall sloppy condition of a persons anal cavity...resulting from excessive flatulance and poor wiping skills.
when we ran out of TP, i suffered from mod butt
av chris tibbs 21 augusti 2004
shit on your cheeks. diarrea oh you butt
mud butt from chappeles show
av name34 3 augusti 2006
shit that is mushy or runny, started on the dave chappelle show
i had mudbutt last night and it sucked
av shaun 30 januari 2005
its when you got the shits from drinking miller or bud all night
man i got mudbutt and is starting to really get raw
av negro 16 oktober 2004
Also known as a Shart
Dude, we have to leave this party, I sharted.
av Bill 28 mars 2005