sf

Sexually Frustrated; Feelings of defeat and discouragement concerning one's sex life.

I haven't had sex in five months... I'm completely and utterly SF.

by Alex March 28, 2005

sf

Dreaded and feared by all, this monster-byatch does not deserve to live.

I'm gonna murder the sf!

by Java February 15, 2003

Sfs

It's short for shout out for shout out

Hey sfs?

by Curtis242 June 30, 2017

sf

so funny

friend: *sends meme*
me: sf

by i have testicular cancer December 26, 2018

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