dance with the devil
Verb
Meaning
dance with the devil (third-person singular simple present dances with the devil, present participle dancing with the devil, simple past and past participle danced with the devil)
(informal, idiomatic) To engage in risky and immoral behavior.
Examples
You really are here. (Thanatos) Hair of the dog, baby. Sooner or later, we all dance with the devil. Tonight, it's your turn. (Zarek)
So if the punks come here, they're going to dance with the devil and get the short end of the horn. (Zarek) No one better than my Zarek to rip someone's head off. You two should get along famously. (Astrid)
If you dance with the devil you can't change him but he will change.