Fb

Abbreviation for "fat bitch" can also be called: fc (fat cow)

Uhhh next lesson we have fb I hate her

by SpechalBoy April 28, 2017

fb legacy

Fubu under its new brand name.

Remember Fubu? Its back as FB Legacy

by BUMS r NOT US July 23, 2011

FBS

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.

by shiksadulcinea August 16, 2008

FBS

Fuck Boy Syndrom

Fuck Boy Syndrom (FBS) is typically gotten by those who like many girls at once and have early dementia.

by ------389 February 24, 2018

fb

free base.

Commonly used by teenagers, when someone’s parents aren’t home

“Hey, do you have a fb?”

by Sksks_vscogirl September 14, 2019

fb fapping

Scrolling through Facebook profile pictures while fapping

You have been in the bathroom for an extended period of time, quit fb fapping and come out.

by MarthNi June 12, 2018

FB

FB is a short form of Fat Bitch.

for example, Kage is a FB

by ESMEQWERTY February 27, 2022