do sb dirty / dirt

What is the origin of the idiom "do someone dirty" and when to use it?

The idiom "do someone dirty" is rooted in informal and colloquial language, particularly in American English. It has evolved over time from street slang and is characterized by the use of "dirty" in a figurative sense, denoting actions that are dishonest, unethical, or unfair. This expression conveys the idea of treating someone unjustly or betraying their trust, often through actions that harm their reputation or well-being. It is often used in discussions of interpersonal relationships, conflicts, or situations where trust has been betrayed.