F.U.N.

F.U.N. is an abbreviation of Fuck You Nigga. It was invented by rapcore/hardcore band Boxcutter.

someone black: what?
someone other: F.U.N.

by Wangstah November 10, 2008

F.U.N.S

F.U.N.S stands for fucked up nigga shit.

Man, what you did yesterday was f.u.n.s

by Thults April 10, 2007

F.U.N

Fucking
Up

Noobs

Bob: We're gonna have F.U.N tonight on BF3 huh?
Steve: Fuck yeah even though it didn't come out yet

by dsgvbdbhfjkdbnv October 8, 2011

F.U.N.! (Fuckin' Uber Nice!)

Something you say when you're having a fuckin' great time!

F.U.N.! (Fuckin' Uber Nice!)

by Static Spike September 28, 2009

F.U.N

(Abbreviation) : Flippin Unintended Nuisances. Witty wordplay on the noun 'fun' used to subvert sarcasm. Can also be used as advanced form of witty sarcasm.

Leroy : "...looks like the crude oil prices are rocketing..."

Ludwn : "Sounds like f.u.n"

by RTVM April 20, 2021

F.U.N.

fuck you nigga

I dont think i have to explain myself more.

just f.u.n.! (fuck you nigga)

by Scared To Die alone July 24, 2022

F.U.N.

Pronounced like the word "fun", but is actually an acronym for Fucked Up Nonsense. Typically used in a work setting when you are forced to be polite and need a way to state your negative wmotions.

Boss: I need those reports by the end of the day.
Woman: They were assigned to me this morning.
Boss: I know, but the sight manager wants them presented first thing in the morning.
Woman: This is F.U.N.

by Selena The Recluse July 2, 2025