FBN

Fat bitches night.

Guy1: Fuck, why are all the bitches in this club so fat?
Guy 2: Oh, it's national FBN day tonight.

by jequel66 August 23, 2021

fbns

Fuck but nigger sex

Used as an expression of disgust, disdain, or pity

Bob: You are stupid
John: Ok, fbns

by barley. September 5, 2021