do oneself an injury
Definition of do oneself an injury
: to hurt oneself : to become injured because of one's own actions If you keep on lifting those heavy weights, you'll do yourself an injury.
Word by Word Definitions
: one's normal, healthy, or sane condition or self
: an act that damages or hurts : wrong
: violation of another's rights for which the law allows an action to recover damages
: hurt, damage, or loss sustained
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