Either a phrase used to end a competitive match politely, or used sarcastically to be an insult to the opposition.
(-_-) <I>gnorance : GG CLAN FACE PWNS JOO!!!
(-_-) |S|ubmission : I ROXORS YOUR BOXORS YOU NUBLET- GG
(-_-) *L*ust : GG IM AZN AND I ROXOR YOU CUZ I DITCH MY CLAN TO HANG OUT WITH ASIANS!!!
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.
Example
1. Hey man you met a real GG last night at that club.