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1.
a) n. Any secretion from the ass.
b) n. The ooze that comes out of a dead womans ass when you go munging.
When we went double mung-jumping I got stuck with the ass mung while my buddy got to do the bouncing.
by Professor Quinta November 29, 2005
 
2.
someone who likes to mung with asses.
"You are an assmung".
by Anonymous January 20, 2003