SFA 

The SFA (Silkfrost Agency) is a high complex organization focused on purging trash videos made by a specific 3'11, twigs for brains, no beard, watermelon munching, pineapple-headed British YouTuber.

Person 1: MWAD's back at it again with another short video
Person 2: Yeah, the SFA definitely gonna get on his ass..

SFA by Agent #001 October 4, 2023

G.I.N.A.S.F.S 

Name of the bonus track on Fall Out Boys album 'Infinity on High'
Stands for GAY IS NOT A SYNONYM FOR SHITTY something which was said by Pete Wentz in a previous interview.

Retarded FOB Fan: Dude what the HELL does that FOB track stand for??
Person: What? G.I.N.A.S.F.S

G.I.N.A.S.F.S by Ryan Terror May 20, 2007

SFDing 

The action of being in a chat room, observing and silently judging all the people involved in the chat discussion(s) at a certain point in time without saying a word.

Dude #1: Dude, and then he said some weird crap I didn't even know existed.
Dude #2: You were SFDing the entire thing, weren't you?

SFDing by John Baine January 24, 2014

sfool 

really just fool but was said so angrily he put an s in front. just a way to say fool and make sure people know you r angry

get back to where you come from you.... sfool.

sfool by thecambodia April 5, 2009

sfx 

Abbreviation of "Sound Effects"

The game has some realy grea sfx aswhell!

sfx by dipso January 7, 2004

sff 

Science Fiction and Fantasy

sff are the Sci-fi and fantasy genres of movies, games, books, comics, etc.

sff by gearguts March 7, 2015

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?

SFS by island August 25, 2013