1 definition by miesterw

When you take a dump and you don't wipe well enough, your butt may become itchy and you scratch it or may walk weird.

Short for monkey butt. Monkey + Butt = Mutt
GUY 1: Look at Wes, he is walking weird. He MUST have monkey butt.

GUY 2: No you mean MUTT!!
by miesterw November 6, 2007
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