do yourself 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
Farlex Dictionary of Idioms.

do yourself an injury

suffer physical harm or damage. informal
See also: injury
Farlex Partner Idioms Dictionary

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
Farlex Partner Idioms Dictionary
See also:
  • do (oneself or someone) an injury
  • do somebody/yourself an injury
  • do yourself a mischief
  • do (oneself) a mischief
  • leave (someone, something, or oneself) (wide) open for (something)
  • leave oneself wide open for
  • leave open
  • leave yourself wide open to something
  • leave (someone, something, or oneself) (wide) open to (something)
  • keep in sight
References in periodicals archive
If you just act on a feel-good impulse, you are probably going to do yourself an injury.