rsf 

rsf stands for "resting sad face" which daniel howell created

"wow this candid photo really shows your rsf"

rsf by random_phan December 23, 2018

RSF 

Resting Sulking Face

She has an rsf that makes her look sad all the time

RSF by vwkt September 17, 2020

RSF 

1.Run Shit Family. Though making little sense, if one is given this title, it means they are gangsters and they run shit.
Created by African Americans in Cheltenham, the word was used as a compliment that one could only put on themselves.

2.A word was commonly put as one's middle name on facebook.

3. A club of teenagers who think that they are gangster, but are actually only bad for their suburban school.

Yo I RSF all day dawg.

My name on Facebook is Tyrone RSF Smith.

Are you part of the RSF group?

RSF by G RSF A December 8, 2010

RSF 

Resting Stoned Face (RSF) is the notable features of ones face that give the appearance of being stoned when the individual is actually stone sober. Key features of RSF are eye lids half open, a cheesy grin or half smile and a delayed reaction to activities around them.

No Mom, Billy isn’t high, he suffers from RSF.

RSF by chilifest May 8, 2018

rsf 

a bunch of guys who try to pretend to be cool but can only call each other gay all day.

Omg u r teh ghey!!111

rsf by TaoOfSand November 15, 2003

rsf 

bunch of the coolest fuckin people with josh as the leader

rsf by EDUBB September 7, 2003

RSF 

A term meaning Richmond sausage fingers which is usually used as an insult to someone with fat fingers.

You my friend have RSF

RSF by oO_SCOTT_Oo July 23, 2015