Surprise, surprise Definition 1 of 2Pro Tip 1/3Irony Emphasis Used to stress the irony when an outcome is predictable and hardly surprising. Surprise, surprise, the cat's stolen another fish from the kitchen. Pro Tip 2/3Informal Usage Commonly used in casual conversation, not in formal writing or speeches. Surprise, surprise – everyone forgot my birthday again. Pro Tip 3/3Mild Mockery Expresses a light, joking form of mockery about the predictability of a situation. Surprise, surprise, he's lost his keys once more.