I told him that I thought he was crazy and got 'the silent treatment' for the rest of the day. [=he refused to talk to me for the rest of the day]
You have the 'right to remain silent'. [=the legal right not to say anything when you are arrested]
Whenever she gets mad at me, she 'gives me the silent treatment'. [=she does not speak to me]
(..) to endless imprisonment... ...in the Phantom Zone: The eternal void... ...which you, yourself discovered. Will you abide by the Council's decision? I will remain silent. Neither l... ...nor my wife, will leave Krypton. Have you finished? Nearly. It's the only answer, Lara. (..)1978 Superman