do (one) wrong

do (one) wrong

slang To mistreat, deceive, or betray one. I can't believe that you're the one who did me wrong and sabotaged my presentation! That traveling salesman sure did me wrong by running off with my money.
See also: wrong

do someone wrong

Also, do someone damage or harm . Injure someone; be unfaithful or disloyal; act unjustly or unfairly toward someone. For example, John's done me wrong, and I intend to tell him so, or She did him real damage when she started that rumor: The first term dates from the late 1300s; the substitutions of damage and harm are newer. However, while these locutions are still current, a more common modern usage is to turn them into verbal phrases-that is, wrong someone, harm someone, damage someone.
See also: someone, wrong

do (someone) wrong

Informal
To be unfaithful or disloyal.
See also: wrong