have another think coming

present singular third person has another think coming · participle present having another think coming · participle past had another think coming · past had another think coming · alternative have another guess coming · alternative have another thing coming · alternative have another think a-comin · alternative have another thought coming

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

   If you think you're going to marry my daughter, you have another think coming.

   5 more examples

   My finish then less clearly do I see, / For lo ! I have another think a-coming.

   1901, Wallace Irwin, The Love Sonnets of a Hoodlum, section VIII

   ...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.

   1918, Jacob Marvin Rudy, Our Nation's Peril, page 132

   But if she figured she could break him, she had another think a coming.

   1950, Conrad Richter, The Fields, page 72

   I told them they had another think a-coming if they thought they could talk me down like they did Papa, and they could just pack themselves right off my...

   1967, Sylvia Wilkinson, A Killing Frost, page 47

   He had another think a-coming, that begrimed whoremonger!

   1984, James Purdy, On Glory's Course, page 252