Urban Dictionary: fumbass

The abbreviation for fucking dumbass, pronounced Fumb-ass

He boned her without a rubber? what a fumbass!

by Pat.T May 07, 2006

Get a fumbass mug for your barber Jerry.

Fumbass meaning:

To describe someone being idiotic or a fucking dumbass
Fucking+dumbass= Fumbass

Joey: You're such a fumbass
Dani: Wow I can't believe you

by BEE_3 January 29, 2021

Get the Fumbass neck gaiter and mug.

Fumbass is a word to describe your idiotic friend

Joey: DANI YOU FUMBASS
Dani: TwT

by BEE_3 January 29, 2021

Get a Fumbass mug for your boyfriend Manley.

fucking dumbass

you are a fumbass

by spicychickenwing March 11, 2021

Get a fumbass mug for your cousin Jerry.