do (oneself or someone) an injury

do (oneself or someone) an injury

To do something that harms or injures oneself or someone else. You'll do yourself an injury if you keeping riding so carelessly. You sure did your brother an injury by including him in that dangerous game.

See also: injury

do yourself an injury

suffer physical harm or damage. informal

See also: injury

do somebody/yourself an ˈinjury

(often humorous) hurt somebody/yourself physically: I nearly did myself an injury carrying those heavy suitcases.

See also: injury, somebody