sgf

secret girlfriend, a girl from a couple who don't want to reveal their relationship

boy: I like you!
girl : if my parents find out it could be very embarrassing!
boy : I guess your my sgf then..

by Nebkiwi May 10, 2008

sgf

Short for "Sexy Girlfriend".

Hey sgf, you look great in that short skirt.

by Brian Burleson January 24, 2006

sgf

Acronym for Sexy Girlfriend

In a note: "Hey sgf!"

by 5150photo January 12, 2009

SGF

Acronym: Sassy Gay Friend.

A SGF does not let his girlfriends make poor decisions especially when the sitution involves a guy.

by Gracie_Adler March 16, 2010