Definition, Meaning & Synonyms

do-the-dirty-on-someone

idiom

/duː ðə ˈdɜːrti ɒn ˈsʌmwʌn/

Definition

To betray, deceive, or treat someone unfairly or dishonestly.

Examples

After all the help I gave him, he really did the dirty on me by taking credit for my work.
She was shocked when she found out that her closest friend had done the dirty on her with her boyfriend.
In the cutthroat world of business, it’s not uncommon for competitors to do the dirty on one another.

Meaning

This phrase typically refers to an act of treachery or disloyalty towards someone, often involving hidden motives or actions that harm the person being betrayed.