Definitions by xiaolin-

ggnorekthx 

GGNOREKTHX originated from a game called WarcraftIII.

GGNOREKTHX is an abbreviation meaning
Good Game No Remake OKay
ThanksThx

It is used as an enhancement to words such as 'pwned' or 'owned'. The phrase itself means that one has defeated another in a game, and declares that there will be no rematch, and concludes with 'okay, thanks for the win'

"HAHHAHA PWNED GGNOREKTHX NOOB"
or
"dboss you noob ggnorekthx"
or
"zediabolical u sux ggnorekthx"

ggnorekthx by XiaOLiN- December 9, 2004

gggl

-abbrieviation meaning
-good game good luck
-used in the beginning of a game as a formality
-some people find it offensive as it implies that the person who has said it has already won and that said person shouldnt even bother trying

person:gggl
person2: thx u2
---
freewins4you: gggl
*warcraftIII player*: *silence*
(freewins4you kills the other players hero unit)
*other player*:sigh
*other player*:dam chinks

gggl by xiaolin- December 9, 2004