Top Definition
an idiotic person, someone who does silly things
don't eat at MacDonalds, you bumfart!
by Avoura December 02, 2005
11 Words related to bumfart
When someone fart's around you and it smells like a fart that a bum would do.
Damn, my bro had a nasty ass BUMFART and I almost fainted!
by Texas Turbo May 07, 2006

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