sfg

Sfg= Slut Face Gremlin. This is most often used on Aim for someone who looks like a Slut Face Gremlin or who is acting like one.

I dont like you because you look like a god dam sfg.

by BenjaminT May 15, 2006

sfg

Sexy French Guy. Used to describe a really hot French guy (as there are some very nice ones out there)

Wow, that new french guy in our department is such a SFG

by Moxbrow November 20, 2004

SFG

a tight group of friends specifically from annapolis that go to st. mary's.

SFG went out to nelk last weekend.

by Sfg4l23 May 7, 2022

Sfg

Swear Fo God

Just another term for I swear to god. Used to show the seriousness or whats being said or goin on. "I sfg if you keep playin around Im not giving you shit."

by March 8, 2021

SFG

Smart fucking guy.
Someone who is smart, but like an asshole about it.

Wow, I can’t believe John majored in computer science. It’s because he’s such an SFG

by Chucklenuts mcfart August 13, 2023