An A-game (single A) is a game which started as an indie game, but became more popular later or the indie game studio getting bought by AAA companies.

Ex: Minecraft, Counter-Strike.
Minecraft is an A game.
by BingoBiffin June 22, 2022
The phrase “it’s just a game” is such a weak mindset. You are ok with what happened, losing, imperfection of a craft. When you stop getting angry after losing, you’ve lost twice. There’s always something to learn, and always room for improvement, never settle.
It's not a game. I'm not a robot, ai, challenging you. I'm not a phantom, I'm in your face, and I'm here to see it through. Right before your eyes. Watch us multiply. Come to claim our rights. It's time.
by Not a Dictionary March 10, 2021
To look the best you possibly can for a particular situation.
Erica brought her A-game to work today.
by AMP1 March 30, 2014
To be on top of your A game means to be prepared for a hook up. To be shaven, clean, and ready to go.
Liz my A game is amazing tonight! I cant wait to get it in!
by Aslut69 March 17, 2011
Brand new group straight out of Canada, reppin T.O. Bomb new song 'Go Head Shawty'
A game- 'Go Head Shawty'. Search it yo
by jacek_222 June 29, 2009
To a-game someone: To try it on with a girl.

A persons a-game: Their effort in trying it on OR the person which they are trying to get in with.

a-gaming: Chatting to a girl with the sole purpose of trying to get in their pants.

The A-Game: the art of trying to pull

A-game ON!: an expression used by others when they spot their mate on the a-game
That twat won't stop a-gaming my missus

Look at him, he's blatently on the a-game!
by My name starts with H September 01, 2007
a)A player's(or his lesser counterparts) best game, one usually brings his A game when the women are more attractive and therefore a greater challenge. Derived from the letter grade in school, "A"

b)The term can also be used for other definitions of game
a)"didn't get her number?"
"She just didn't see my A game"
"She didn't see your B or C game either."

b)"better bring your A game for the halo tournament"
by vargaszm October 17, 2006
they had brought there a-game to the court.
by johhn p February 24, 2006