do (one's) worst

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do (one's) worst

To do something (typically something negative) to the fullest extent that one can. Often used as a challenging imperative. Do your worst, winter! My new coat can withstand your blizzards! They can do their worst, but I refuse to be intimidated.
See also: worst

do your worst

do as much damage as you can (often used to express defiance in the face of threats).
See also: worst

do your ˈworst

be as harmful, unpleasant, violent, etc. as you can: I refuse to pay this bill. Let them do their worst.The electricity company did their worst and cut off the supply.
See also: worst