knock (something) on the head

idiom

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

Dictionary Entries Near knock (something) on the head

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 6 Dec. 2022.

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