SFF

Sneeze Fetish Forum: an online community for people with a kink for sneezing, also called SF community or just SF.

Dude did you see that post on SFF last night? That hentai girl sneezing on her tits was hot!

by phan-in-the-tardis-at-221b May 20, 2016

SFF

sexually frustrated female. A girl who is either not in a relationship or is in a relationship that is not fulfilling her sexual needs.

"God, I haven't made out with my bf in 3 weeks, I'm such a SFF"

by tangerine-y April 11, 2007

SFF

Sweaty Fat Fuck

After dinner I achieved SFF status when I ordered two desserts.

by RyanTheKing September 21, 2018

SFF

An acronym for "So Fuckin Funny". To replace the much lamer LOL for "Laugh Out Loud". Implies utmost hilarity. Generally used in text or instant messaging; can be used as an adjective or on it's own.

That comedian last night was SFF!

His yo momma joke was classic. I couldn't stop laughing. SFF!

by the illitator May 25, 2006

sff

Science Fiction and Fantasy

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

by gearguts March 7, 2015

Sff

So Fucking funny

Omg Your SFF

by ilollolol June 6, 2009

sff

Same Fanbase Factor
This relates to the GameFAQs polls where two characters have the same fanbase, such as Zelda/Mario.

HOLY CRAP, Metroid got beat by SFF!

by The Cryptic July 26, 2006