SFG

1: SFG or “Sloppy From Godzilla” is the best kind of head anyone could ever receive. It causes ejaculation within milliseconds of beginning.

2: SFG also refers to violently screaming into your microphone while ensuring an ample amount of saliva can be heard.

1: Damn bro, I just got some head...and damn was it SFG!

2: My god, my eardrums were blown out after my friend performed SFG during our CS:GO match last night.

by Absurdity May 3, 2021

SFG

Slack Faced Gay

a term often used on Gay messageboards to demonstrate an opinion of another user

"He's a complete SFG, don't listen to him"

by henryyoungman May 23, 2006

sfg

abbreviation for "so fucking good"

-"holy shit, remember that awesome thing?"
-"yeah, sfg."

by jhgbu76rt7v6fkcv May 18, 2008

Sfg

Small Face Guy - A man with an unusually large head but with a proportionately small face

Oh my gosh its SFG !!!

by Golddigger December 10, 2013

sfg

Stupid fat girl. A SFG is often mindblowingly stupid and annoying.

Woah, look at that SFG.

by mollymartyr. July 17, 2006

sfg

sfg = Stupid Fuckin' Guy!

"Heather, you're being such an SFG!"

by Ang/Alex April 6, 2008

sfg

Some fucking guy/girl.

Guy A: Who was that on the phone?
Guy B: I don't know, SFG trying to sell me something.

by P-Dizzle Fo Shizzle August 30, 2007