have another think coming

Definition

To be deluded, to be mistaken; to need to rethink something one has determined; to need to reconsider one's plans or expectations.

Example Sentences

• "If you think you're going to marry my daughter, you have another think coming."
• "My finish then less clearly do I see, / For lo ! I have another think a-coming."
• "...and if you think just because we are at war I'm going to give my brains an opiate or send them away on a vacation, you got another think a comin'. I wasn't built that way."