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 Isla de Muerta. You will spend the rest of the voyage contemplating all meanings of the phrase "silent as the grave." Do I make myself clear? Inescapably clear. Shiver me timbers. Cotton here says you missed a bit. (..)2003 Pirates of the Caribbean: The Curse of the Black Pearl