get the silent treatment
To be ignored or deliberately not spoken to by someone who is angry at one. Well, I must have done something wrong because I've been getting the silent treatment from him all week.
give (one) the silent treatment
To ignore or deliberately avoid talking to one due to being angry at them. Well, I must have done something wrong because he's been giving me the silent treatment all week.
give somebody/get the ˈsilent treatment
refuse to talk to somebody, usually because you are angry with them; be treated in this way: Are you going to talk to me now, or are you still giving me the silent treatment?