fbm 

Feels Bad Man. Used whenever something is done or said and makes you feel embarrassed and/or feeling bad about something.

Example: When a foreigner who doesn't speak English can spell better than you can. fbm

fbm by stfuufts May 30, 2016

FBM 

Future Baby Mama

This is my fbm

FBM by crackd March 16, 2009

fbm 

fine by me

It's fbm if he comes with us to the movie.

fbm by JOHNDALE2285 October 23, 2008

FBM 

it started out as a shirt company in 1993 called Fat Bald MEn. Then later developed in to a kick ass bmx company. they have multiple bmx videos out

Did you see that bmx video from FBM called Albert Street? It was some sick shit

FBM by alan January 15, 2005

FBM 

short for "Full Bitch Mode"

I told my girlfriend I didn't want to go to brunch with her and she went FBM on me.

FBM by bws92082 August 8, 2018

FBM 

FBM stands for Fuck Brad Morgan, a religion of sorts which practices binge drinking, camping, mudding, and kissing in the highlands

see that faggot AD over there?
yea man FBM

FBM by newtonisgay November 2, 2019

fbm 

Short for feels bad, man

Just spilled coffee on my shirt, fbm.

fbm by Nobodygottimefordat December 7, 2016