DUMF

DUMF is the one syllable word meaning dumb-fuck or dumfuck

Ellen forgot to turn off her headlights, what a DUMF

by JEBalke January 14, 2008

Dumf

Designated Unatractive Male Friend of a Woman whohangs around her all day (but is NEVER her husband or boyfriend) usualy also a GBF

I saw thsis hot chick but she was this ugly ass man with no teeth and was a fat as a van he was sucha DUMF

by Trixilater September 4, 2015

Dumf

Not very bright, Stupid, Goofy

He really is a bit of a dumf

by Disruptist January 7, 2024