FMB

"furrow my brows" when something is completely wrong or you are confused about something.

--Hey dude, I just downloaded the new one direction album, their music actually isn't that bad.

-- no, dude it is actually a piece of shit, fmb

by brows4brows March 20, 2014

FMB

Fuck My Brain

Aaaarrrggghhh!! FMB!! I can't get that song by blah blah out of my head!

by Dr Watson October 11, 2010

FMB

Probably the douchiest fucking way to say "fill my bong" or "filling my bong" on the face of the Earth.

excuse me my nigga as i FMB

by xxyyxx July 15, 2011

FMB

Fuck Mad Bitches

O-town Slang
Used as a verb or standalone phrase to denote promiscuous desires (especially on school breaks and weekends at the club or beach)of high school and college age males. *originated in west orlando

FMB

J: lets go to a movie
B: Hell no faggot lets go to the club and FMB

by vsqm? April 30, 2009

fmb

Fat Mexican Bitch; Loudmouthed Mexican girls that suffer from childhood and teenage obesity

That FMB won't shut the fuck up.

by Cougar Lenin April 15, 2007

FMB

fuck my beard.
used as a pick up line for sad people with big facial hair

"hey sexy lady, fmb"

by ernieW March 27, 2010

FMB

Fuck my Butt

why are we playing in this gay baseball league...FMB (FUCK MY BUTT)

by DISUBURBIA July 11, 2008