do (one) dirt(y)(redirected from do them dirty)
do (one) dirt(y)
slang To mistreat or deceive one. I can't believe that you're the one who did me dirty and sabotaged my presentation! That traveling salesman sure did me dirt by running off with my money.
do someone dirt(y)
Rur. to do something bad or dishonest to someone. He sure did his wife dirty, leaving her like that. She did me dirt when we divided up the things mother left us.
See also: dirt