surprise party

American  

noun

1. a party or celebration planned for someone as a surprise.

2. something that surprises someone.

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Etymology

Origin of surprise party

First recorded in 1835–45

Example Sentences

Christmas spirit is low, Santa is depressed and cartoon versions of characters from the famous pizza place decide to buck him up by throwing a surprise party, as a dark-hearted elf taking fashion cues from Orlando Bloom’s Legolas gets in the way.

From Los Angeles Times

This is a surprise party season for the Colts, who bounced back from a six-turnover stinkbomb to the Steelers a week ago.

From The Wall Street Journal

The couple also shared a joint Instagram post that featured several snapshots from their eventful trip, including close-ups of Harlow’s ring and her reaction to her surprise party.

From Los Angeles Times

Prince William went to see Mr Gardner at his home in Leeds, before taking him to the city's Headingley cricket ground for a surprise party with cricketing stars.

From BBC

Becker remembers employees’ birthdays with gifts or, in the case of Biltmore public relations director Victoria King, with a surprise party on Tuesday night at a Mexican restaurant.

From Los Angeles Times