by BUMS r NOT US July 23, 2011

by SpechalBoy April 28, 2017

Fuck Boy Syndrom (FBS) is typically gotten by those who like many girls at once and have early dementia.
by ------389 February 24, 2018

Abbreviation for "fucking be serious". Used to denote either that it is now time to become serious or that something is meant to be taken literally.
1: Okay, FBS, we really have to get this shit done. No more messing around.
2: Like, FBS, we're in love.
2: Like, FBS, we're in love.
by shiksadulcinea August 16, 2008

by shawtytoxicasf July 28, 2021

Known as Fucking Bitch Syndrome. A women who hates on another women. In order to feel better about herself or to get the attention of men.
by SheGone December 19, 2014
