Grown Ass Man. Over the age of 26, college educated, occasionally wears loafers, owns a leather brief case, respectable amount of facial hair, musically inclined, and has emotionally escaped his fraternity.
Any multiplayer game that you play with your friends. Becomes a game when your friends aren't available. Often games that you could play with strangers, but are overall better with friends.
Billy: Hey guys, want to play gam?
Sally: I can't, I'm at work.
Jimmy: Maybe we can do gam tomorrow...
Billy: Nevermind, I'll just go play games by myself.