F.O.S

Full Of Shit: no data, no proof, a baseless opinion.

He's F.O.S. He doesn't know what he's talking about.

by gmerritt November 16, 2005

P.F.M.D

Propensity for maximum density. A chic who is relatively skinny, but has the potential to be fat. Tell tale sign is chubby arms.

Yo that bitch has P.F.M.D.

by Maisbass May 13, 2006

s.f.

sexually frustrated. in desperate need of nookie. WAY past the point of being horny.

"omgggggg, i haven't gotten any in TWO MONTHS i am SOOOO s.f."

by KELSCULLHAAAI January 21, 2009

F.A.G.

This term generally means Freaky Alien Genotype. It comes from Team Four Star's 'Dragon Ball Z Abridged'

Vegeta: That Freeza's a F.A.G.
Krillin: What?
Vegeta: Freaky Alien Genotype...

by KariLin July 25, 2011

F.L.I.P

acronym that stands for "Fuck Love I'm Pimpin"; anyone who's not ready for love yet, through with love, or just wants to chill and have fun without getting to serious in relationships

Johnny said he loves me but I can't deal with that right now, Im in F.L.I.P mode

by simona88 December 15, 2008

f u

Fuck You

"f u, you little cock sucker"

by No One April 5, 2004

F.B.I

Female Body Inspector

Bob looks at girls a lot, hes is a female body inspector

by Geppy May 13, 2005