have another thing coming
have another think coming
have another thought coming
have another guess coming

Anybody who thinks they can waltz in and take you has another think coming."

If you think these are Cubans, you have another think coming.

Well, my lad, you have another think coming.

"But if you think you can get the better of us, you have another think coming.

If you think I'm going to turn down the chance to help rescue an old friend and colleague just for a job- well, you have another thought coming!"

In reply, Mr. Roux recalled telling the health officer, "If you think Albert Roux is going to do that, you have another thought coming."

CHAPTER XVI "If you think this job is easy, you have another think coming," Kennon said bitterly.

You've already divided the able from the disabled, and loaded so much responsibility for deficit on the latter; if you think we're all going to let you repeat the process between the young and the old, you have another think coming.