(1) A person who considers another person's rectum a delicacy. (2) Those who exhibit traits characteristic to "a person who considers another person's rectum a delicacy."
That fucking, assmuncher just ran a red light and cut me off.
by El Diablo February 17, 2004
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1) One who munches ass.

2) An incompetent person.
James just bit my ass, i think it left a mark.

What an assmuncher!
by nonassmuncher November 24, 2009
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1. A person who likes to munch ass.
2. Steve Harris.
Steve, you assmuncher!
by MT November 14, 2003
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matt hyndman
what's that assmuncher's name?
why its matt hyndman the original assmuncher!
by Anonymous April 07, 2003
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a purveyor of unacceptably annoying acts, usually due to sheer incompetence rather than maliciousness; one who is irritating, frustrating, dweebtastic, or otherwise mock-worthy.
it took the guy at the sandwich shop 20 minutes to make my sandwich- what an assmunch. it still tasted good though, but c'mon, 20 minutes? fuck that.
by Viktor II August 23, 2007
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