FOS

Fuck On Sight. An acronym used by two friends to describe a person who they see who they would like to instantly fornicate with on sight.

Two guys are walking when they see a really hot gurl and one gay says to another FOS? And the other gentleman nods in unison.

by Ilovecurry April 14, 2010

fo fo niggas

Niggas that just don't give a shit and PWN anything that moves.

Fo Fo niggas they come upon your house, they ring upon your doorbell and knock your white ass out.

by Fo Fo Nooblars April 18, 2004

FOS

Word used to describe a person that quiet often doesnt tell the truth, or in other words is "full of shit"

Also known as a "Fossi"

Guy 1: "I once used a cat as a soccer ball"
Guy 2: "ahuh, you're FOS"

by J!M! June 26, 2008

fo

TWO definitions:


1) Da numba '4'.

2) Used ta indicate da object, aim, or purpose of an action or activity:

1) "I tapped FO bitches laz night"

2) "Are you FO real?"

by D Dizzle My Nizzle December 23, 2003

fo

Intentional misspelling of "of" for ironic effect.

Might that we could have to leave this general vicinity and retreat southward till the coming fo dawn.

by Troy February 06, 2003

FOS

this is a shorter term for "Flap Of Skin". a flap of skin is someone in your group of friends whom you may consider the "loser" or the person who you only hang around with for a certain reason, that reason not perticulary meaning you enjoy their company.

it could also mean someone with NO private parts.

" Kris has no vagina"

"She is but a Flap Of Skin!"

"I couldn't concentrate when the FOS was talking to me, she annoys me to much."

by i heart flap of skin July 12, 2009

fo

for sure > fo sho > fosh > fo

you gonna bag that hoe? fo.

by Phloop October 12, 2003