Top Definition
Someones anus being penetrated by a penis. Ass hairs are strummed like a guitar.

All forms of bung can be used.
bung guitar
bungular guitar
Franz> Jason strums the bungular guitar.
Jason> I dont even know what a bung guitar is!
Franz> HAHAHAHA
by nig:nog August 10, 2006
5 Words related to bung guitar

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