SF

1. A jew from Utah. Also known as SaviourFamily.

<Zohan> SF Y U BAN ME!!!11
<&SF> SHUT THE FUCK UP YOU ANNOYING PIECE OF SHIT

by ANONYMOUS NIGGER January 5, 2009

Sfs

It's short for shout out for shout out

Hey sfs?

by Curtis242 June 30, 2017

SF

Special Forces. Used in the military and miltary wannabes.

rick: Dude i wanna be SF when i enlist.
Dude: You're hardcore.

by kilo15 December 28, 2005

SF

SF means Saturated Fat

it can be woman or man, usually fat ugly and full of themselves...literally.
please see third paragraph down on "c dub" for further clarification

yo did you see SF today? she ate my Doritos and drank all the beer and now shes all over my boyfriend!

by ahhhhhhhhhhhhhhhhhhhaha April 5, 2010

SFS

Short for So fucking screwed.

1. Aaaah! Im SFS!

2. Dude your SFS. lol

by Akudin January 20, 2006

SF

Science fiction

Girl: I saw a review, but I don't like SF
Boy: I love SF. Most of it. I hate Star Trek.....

by Soyrua January 2, 2010

sF

noun. to be weak, gay, newb.
a d2 clan known for using AA in clan duels to win, as that is ther eonly hope, also known to pray to god for help when dueling good clans.

that clan uses AA and duels like a bunch of sF newbs.

by sF-Holo July 27, 2004