knock (something) on the head

idiom

Definition of knock (something) on the head

British, informal
: to cause the end or failure of (something) The closing of the airport knocked our holiday plans on the head.

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Dictionary Entries Near knock (something) on the head

knock some sense into someone's head

knock (something) on the head

knock spots off

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Cite this Entry

“Knock (something) on the head.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knock%20%28something%29%20on%20the%20head. Accessed 25 Sep. 2021.

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