F.S.O.

eg. an individual who has reached the bottom of a curve, at a minus platform, giving him/her no options other then selling out.
F.S.O.

F.S.O. by ~GTS~ October 6, 2008

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F.S.O.D

Facial Strap On Dildo

I am going to use a F.S.O.D on my sexual partner tonight. A dildo, sexual toy that attaches to the head of an individual which is then used to penetrate another's sexual organs.

F.S.O.D by Doctor of Love December 1, 2010

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G.D.M.F.S.O.B.

God damn mother fuckin son of a bitch!

"God damn mother fuckin son of a bitch! I can't move, I can't twitch!"

G.D.M.F.S.O.B. by Mike Pissoff November 14, 2003

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P.F.S.O

Stands for Possibility For Significant Other, a person whom you have a crush on, and you know has a crush on you, but you just haven't started dating yet.

A: Have you and C hooked up yet?
B: Naw, we're just P.F.S.O's right now.

P.F.S.O by Joe Jockstrap December 3, 2005