Definitions
1.PhraseA message signaling that the game has ended, usually because the player failed (for example by losing all of their lives) but sometimes following successful completion of the game.
2.PhraseThe end of some ongoing situation, especially in failure."If your wife finds out about us, it's game over!"
3.PhraseDeath."When you have cancer, you pretty much have two options: chemotherapy, or game over."
4.NounAn appearance of a game over message."When you die too many times in this game, you get a game over."
5.VerbTo receive a 'game over' message.
6.VerbTo deliver to someone a 'game over' message.