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to knock oneself out
/nˈɑːk wʌnsˈɛlf ˈaʊt/
/nˈɒk wɒnsˈɛlf ˈaʊt/
to knock oneself out
01
***used to tell someone to go ahead and do something
DialectAmerican
American
Examples
If you want to go through all the files one by one, knock yourself out, but I ai n't doing that.
02
***to make oneself very tired by doing work
Examples
I knocked myself out to get the job done on time.
03
***to cause oneself to become unconscious
Examples
He hit his head against the table when he fell and knocked himself out.
