to hell with (someone or something)
I'm disgusted, fed up with, or want nothing to do with someone or something; I don't care about someone or something at all. An F? To hell with this class, I don't even like calculus! Well to hell with him then! It's not like I'm going to miss him.
to hell with
Also, the hell with. I'm disgusted with, get rid of, as in To hell with that plan; it's ridiculous, or The hell with that so-called genius; he's made a serious mistake in this report. [Early 1900s]
to ˈhell with somebody/something
(spoken) used to express anger or dislike and to say that you no longer care about somebody/something and will take no notice of it/them: To hell with this stupid car. I’m going to buy a new one.(Some people find this use offensive.) to hell with
Used to express contempt for or dismissal of someone or something.