1) Abbreviation for the television show Gilmore Girls, in which a mother and daughter do quirky things in their small town. Sounds stupid, but is very good.

2) Abbreviation for the television show Gossip Girl, in which a bunch of rich kids have sex and buy things. Sounds stupid, is stupid.

GG usually means good game, but it also means get good.

It's mostly used in context for "good game."

But it can also be used as slang for "good job," which is usually done in a sarcastic way.

1: Good game.
2: The Chinese for penis.

An abbreviation of: Good Game

Shashwat Gupta of SVIS is GG! Shashwat Gupta is also called GodAssassin.

1. Good girl. The type of girl you can bring home to your mom, marry, and has just the right amount of good and bad in her. A girl you can bring around your friends and not be embarrassed.