GG

Wiktionary

Pronunciation: /dʒiː dʒiː/

Likely to have an undesirable outcome, which one cannot change or escape from.
“Physics test today was out of the world…Honestly I think I’m going to fail big time…I didn’t know I had to study statics! What’s the point in testing LAST year’s work? Like wtf lawl…So i think I flung that section…GG liao lor…”
“Liverpool GG liao la. Steven Jialat hamstring problem. Dirk Kuyt ankle problem. take west ham win this saturday.”
That lets the player doing/using it win a game, with zero possibility of counterplay.

Initialism of good game; commonly used at the end of a gaming match; also sometimes used to end an argument.
Initialism of good going; may be used genuinely or sarcastically.

Initialism of Gamergate /GamerGate.
Initialism of Google Groups.
“I also created a "NO GG" badge for the footer (and put it on Blinkynet, as well, linking to the new site) in the mode of the other badges from other outfits that I already had there. :)”
“There are a lot of disadvantages to using googlegroups GG to read and post to usenet groups. There's the problem with the clunky interface, there's the problem with GG inability to filter some newsposts, there's the disadvantage of having to post a good address in the From, there's the disadvantage of having your connectivity IP stamped on your messages.”