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one who nibbles butts.
a person who is a wicked dork, dufus, and moron.
Harry Potter, you big tosser, don't be such a buttnibbler.
by manz13 January 03, 2010

Words related to buttnibbler

ass butt harry potter moron nibble
Someone who prefers to stick their tounge in the wrong orriface...
Shut up Worm you Butt Nibbler
by Kelly February 05, 2004