Meaning of the word "do the dirty on" in English

What does "do the dirty on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

do the dirty on

US /duː ðə ˈdɜːr.t̬i ɑːn/
UK /duː ðə ˈdɜː.ti ɒn/
"do the dirty on" picture

Idiom

to treat someone unfairly or badly, especially by cheating them or betraying them

Example:
I can't believe he did the dirty on his own brother by stealing his business idea.
The company did the dirty on its employees by cutting their benefits without warning.