do (one's) worst

(redirected from do their worst)

do (one's) worst

To do something to the fullest extent that one can. This phrase usually has a negative connotation. Once I was all suited up and in goal, I told the offensive players to do their worst.
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