SFS

Shit/fart separator - the internal workings of the anal sphincters, typically referenced when a failure occurs, resulting in a shit when a fart is anticipated (a "shart").

"Oh man, I just had an SFS failure - I need to throw these underwear out."

by BillyLongD October 11, 2025

Sf

Sick fuck

Dude you’re a sf

by Kane55 March 2, 2021

sf bake sale

A bake sale where all of the wares contain weed.

Hey man, wanna go to that sf bake sale and pick up some dank medicine?

by ShitsRealG August 1, 2014

sfs

vape

give me I need to use the sfs

by rraavveenn February 3, 2022

SFS

Sad fucking soul
A depressed person that can't seem to be happy no matter what

"Josh became such a SFS after his breakup"

by BASICAL.LY March 18, 2019

SF

Acronym - Stands for sword fight

Alternate Meanings: Science Fiction, Stop Flirting, San Francisco, and many more...

Yo dude, let's 1v1 and have a sf!

by RedSheep MinecraftAndMsp YT May 31, 2018

<sf>

Sarcasm Font; used when texting, posting on social, etc. in order to indicate that the previous or following comment is meant sarcastically; an aid to understanding as electronic communication mutes tone.

Yeah, being stuck at home this last year has given me a lot of wonderful opportunities for introspection. <sf>
<sf> The great thing about Marsha is that she is always willing to help you out. <sf>

by CMere March 13, 2021