GSG

Girls support girls

GSG not bring them down

GSG

Get some gears, An informal greeting when you see a person riding a Fixed gear

You see a guy riding down the street

you(in the car) screams: "Get some gears"

The rider: gives out the 'GSG face' which is quickly follow by the middle finger

GSG

An acronym used in place of LOL to let people know you are "Giggling so gently."

"Gonna go poop."
"Gsg. You're silly."

GSG

Gay Sucking Gays

There's some GSG going on behind that tree over there, lets join in!

GSG

used mostly by sceneXcore kids in pawtucket, symbolizing there love for the vixen Kimmy Gibbler.
"Gimme some Gibbler"

Kimmy Gibbler is looking good, hurry GSG

GSG

Glizzly sitck gobbler

Friend 1: can you get me a beef stick
Friend 2: AYO HE A GSG

GSG

A small street gang in Fremont, CA.

GSG