Short for Good Game, Thanks, bye, it is commonly used by players when they are either owning in a game or losing really bad (often followed by a rage quit/rq/alt f4/QQ).
This term is usually used towards the end of a game when it is nearly finished.
Tatsumaki has just scored a Triple kill!
Tatsumaki is beyond godlike!
cdp: fah Tatsumaki is fkn owning hard mangs, 32-0-17
Rjay: zfz, nub hardout kser thats why
cdp: big boi
tarantado: hai gaiz i haf ayshun gangstah hair
Rjay: ggthnxbai i r feeding too much
Rjay(all): OMGADZ MAI HOUZE IZ ON FIREZ
Rjay has left the game.
cdp: gfg rjay nub