Idioms and Phrases with game is up, the
game is up, the
Also, the jig is up. The trick or deception has been exposed. For example, When they took inventory they realized what was missing, and the game was up for the department head. This expression dates from the mid-1800s and uses up in the sense of “over” or “lost.” The variant employs jig in the sense of “trickery,” a usage dating from about 1600.