knock oneself out
idiom
1
: to cause oneself to become unconscious
He hit his head against the table when he fell and knocked himself out.
2
informal
: to make oneself very tired by doing work
I knocked myself out to get the job done on time.
3
US
—used to tell someone to go ahead and do something
"Do you mind if I use this exercise machine first?" "Knock yourself out."
Dictionary Entries Near knock oneself out
Cite this Entry
“Knock oneself out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knock%20oneself%20out. Accessed 22 Nov. 2024.
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