S & F 

A Smoke and Fuck...
Smoking a marijuana blunt with a willing partner and immediate sex after the smoking.

I had this lady who worked at McDonald's and she said she was cool with me & her having an S & F...

S & F by " D " November 23, 2016

S&F 

smoke and fuck

“Creev, did yall s&f yesterday?”
“Nah we just had coffee for 5 hours”

S&F by yungleb June 4, 2018

S.F.R. 

Single For a REASON

Yeah she's fine, but believe me Dude that Bitch is S.F.R.!

S.F.R. by maplefrost June 30, 2010

s.f.i. 

acronym for stupid fucking idiot

Mikey just spent $1000 on a concer ticket. What a s.f.i.

s.f.i. by SSInkSpot September 7, 2009

S.F.I.T.Z. 

The Swiss Federal Institute of Technology in Zurich

The S.F.I.T.Z. was a great place to learn physics.

S.F.I.T.Z. by A M80N8R May 25, 2016

S.F.L.B. 

A haircut which is short in the front, and long in the back. Used around Southern California a lot before the more universal term "mullet" became popular, especially in Orange County. Pronounced SVELBEE/SFELBEE or shortened to SFELB.

I'm not going out in public with you until you cut that S.F.L.B.!

S.F.L.B. by greta von March 25, 2009

S.F.U 

a school designed to obliterate the human soul. see also: fog right angles suicide debt

SFU rendered me incapable of smiling.

S.F.U by shambola September 5, 2004