FUB 

abbreviation for fuck you bitch.

Kaitlin: you're ugly
Babz: fub.

FUB by babzie May 16, 2006

fub 

fat ugly bastard

hey fub

fub by Anonymous July 28, 2003

FUB 

A fub is the abbreviated term for fat ugly bitch

daniel: wow that girl is so big and ugly
John: yeah she's a real FUB

FUB by Bustercherry#30 February 5, 2016

FUB 

Acronym: Fuck You Bitch

What you say to a person who is a cunt (independent of whether that person is a fag, a bitch, a moron, a douchebag, an asshole, a man, a woman, a teddy bear, or a gentleman)

Secretary: Lee-ah, is that how you say your name?
Lee-ah: No, just sound it out.
Secretary: Oh, ok, Lee-uh?
Lee-ah: FUB, IT'S LEEDASHA, IT AINT NO SILENT DASH.

FUB by C-Cup January 22, 2010

fub 

(n) cum, sperm, ejaculation, etc.

Mufaso: "Bro, last night I got fub in my girlfriends hair."

Samuel: "damn"

fub by 69pak January 5, 2014

FUB 

Fat Ugly Bastard

Hey look at that kid, he's a FUB

FUB by H0101 April 11, 2011

fub 

abbreviation
Fucked Up Bitch. A promiscuous woman with lots of issues.
Based on the the word FUBAR

Don't be such a fub!

fub by Vojtech Sedlak June 11, 2006