GG or Good Game.
Usually encountered in eSport game match to unofficially say 'we concede'. The other team would then reply with 'gg' or 'gg wp'
it's usually combined together with wp (well played) as one phrase
TeamAnoob1: ggwp
TeamBpwnByNoob: gg wp
TeamAnoob1 has called a vote for TeamA to concede
. . .
TeamA has conceded the match, stats have been recorded.
Slang phrase derived from Good Game with roots in the gamer lexicon. Used to describe an item, place or situation as being great or excellent.
Yo dude, this burger is fukin' GG!
Last week's concert was GG!
Good Game. Depending on context, it is either insulting or polite. If GG is uttered after you've been utterly crushed in a game, then it is purely condescending and insulting; otherwise, it should be considered a polite remark.
I can't believe you managed to break through all my tanks, GG!
it basically means "gang gang"
person: ay you really did that
person 2: yeah gg y know?