SF

Senses Fail, a post-hardcore band from New Jersey.

VOX - James 'Buddy' Nielsen
Guitar - Garrett Zablocki
Bass - Mike Glita
Drums - Dan Trapp
(Former Guitar - Dave Miller)

A: Did you see SF at Warped 06?
B: Yeah, man, it was crazy!
A: Especially when Buddy came down to the crowd, man.

by laurenthelame July 17, 2006

SF

1. San Francisco, California
A city on the west coast of the US

2. Special Forces

SF is also an acronym used to describe the special forces of the military, whichever one that may be.

Some examples of Special Forces units are:

Navy SEALs (Sea, Air, Land), United States
Army Green Berets, United States
Army Delta Force, United States
SAS (Special Air Service), United Kingdom
Spetsnaz, Russia and Former U.S.S.R
Kampschwimmer, Germany
Commandos Marine, France

1. San Francisco is a beautiful city

2. Guy 1: Wow, that guy made it into the SF

Guy 2: Yeah, he must be good

by megachiken21 October 11, 2008

SF

"Self freedom". Freeing yourself, sexually. i.e. Masturbation

Dude, I like totally SF-ed 5 times yesterday...I'm dry.

by Ashley March 28, 2005

SF

Sour Face......a facial frowm in response to an awkward moment.

1) Oh, that bitch was SF.

2) After your friends notice your foul mood, you might here them say..." stop being so sf "

by Biasotti November 10, 2005

sfs

shout out for shout out

tik toker:sfs
me: naw

by XOXO, IG May 31, 2019

SFS

Shout Out for Shoutout

Commonly used by Instagramers to request a return shoutout once a shoutout is provided to another Instagramer in an effort to get more followers.

Neal: SFS for more followers please.
Bob: OK, will do @neal

by iSizzlechest June 28, 2014

SFS

Spam for spam, a common phrase on instagram and other social blogging websites, basically a user requesting you to like a large number of their pictures in return for them liking a large number of yours.

Hey, sfs?

by island August 22, 2013