This is what africans say when they insult someone
Person 1 : Why are you gae?
Person 2 : I'm not gae
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
Fumbass is a word to describe your idiotic friend
Joey: DANI YOU FUMBASS
Dani: TwT