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

sF

Stupid fuck

Man A: fu sf
Man B: well fu

by Blom September 3, 2003

sfs

Abbreiviation: Shit/Fart Seperator. Located in ones ass to alow one to fart without shitting in ones pants.

Oh no! My sfs malfuntioned! I thought I was gonna fart but I sharted!

by Wiz Bang July 26, 2007

SFS

The short term for the extra GCSE course of statistics, i.e Super Fun Stats. A sarcastic phrase, because statistics is the least fun thing ever known to man.

Person 1 : Oh we have SFS now.
Person 2 : Oh god I hate SFS.
Person 1 : So does every other person that has ever taken it.

by yourmother. 21334546 February 24, 2009