gg

noun1

1. •
   (Internet, slang) Loss, defeat, game over.

   • Nature's Prophet going to get the last hit in as well. It's the entire team down for EHOME. This is GG. — 2014

exclamation2

1. •
   (Internet, slang) Initialism of good game.
2. •
   (slang) Initialism of good going.

adjective2

1. •
   That lets the player doing/using it win a game, with zero possibility of counterplay.
2. •
   (Singapore, informal) Likely to have an undesirable outcome, which one cannot change or escape from.

   • Liverpool GG liao la. Steven Jialat hamstring problem. Dirk Kuyt ankle problem. take west ham win this saturday. — 2010

exclamation2

1. •
   (Internet, slang) Initialism of good game; commonly used at the end of a gaming match; also sometimes used to end an argument.
2. •
   (slang) Initialism of good going; may be used genuinely or sarcastically.

noun4

1. •
   Initialism of governor general or governor-general.
2. •
   Initialism of generative grammar.
3. •
   (offensive) Initialism of genetic girl or genuine girl.
4. •
   (slang) Initialism of girl/girl.

noun1

1. •
   Abbreviation of gigagram.