the joke is on someone

the joke's on (one)

1. One is experiencing or will experience a negative outcome, particularly one that was intended for someone else. The phrase typically refers to a practical joke or malicious act that has backfired. Greg set up this bucket of water to fall on me, but the joke's on him now—I rigged it up over his bedroom door. He thought he could steal my job by telling the boss terrible things about me, but the joke's on him—he's getting fired for misuse of company time.2. One seems silly or foolish. Well, the joke's on me because I spent so much time perfecting our itinerary that I forgot to put gas in my car before the trip.See also: on

the joke is on someone

If you say that the joke is on a particular person, you mean that they have been made to look foolish, especially when their intention was to make someone else seem foolish. It didn't take long before we began to feel that maybe the joke was on us. Well kids, the joke is on us. We thought we were going to keep a secret from Nancy, but she's way ahead of us.See also: joke, on, someone

the joke is on someone

someone looks foolish, especially after trying to make someone else look so. informal 1998 Spectator He turned out to be as right as rain…so the joke was on us. See also: joke, on, someone