have another guess coming

Idioms  

1. Also, have another think coming. Be mistaken and therefore have to reconsider or rethink one's answer. For example, If you think you can fool me, you have another guess coming, or John thinks he convinced me; well, he has another think coming. A related idiom is guess again, often used in the imperative, as in You think that car cost $20,000? Guess again! [Colloquial; first half of 1900s]

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Example Sentences

He'll have another guess coming.

From Project Gutenberg

If you have visions of seeing Phil chased over the back lot by any stepmother, you have another guess coming.

From Project Gutenberg

I said, "Untermyer, you have another guess coming."

From Project Gutenberg

"You have another guess coming yet," said Jolly Bill.

From Project Gutenberg

"Sure, ye have another guess coming Jack, me bye, and that's no lie," remarked Jimmie, a smile beginning to creep over his wide face.

From Project Gutenberg