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
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Fumbass is a word to describe your idiotic friend
Joey: DANI YOU FUMBASS
Dani: TwT
by BEE_3 January 29, 2021
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