shut (one's) mouth

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shut (one's) mouth

1. To do something in order to keep someone from speaking about something, especially a secret or damaging piece of information. The company tried to bribe me with a cash payout in order to shut my mouth, but there was nothing that would stop me from talking about the illegal things I'd seen while working there. We've got to find a way to shut her mouth; her testimony could bring down our entire organization.
2. To choose not to speak, especially to be tactful, to keep a secret, or to stop irritating someone. I could tell my encouragement wasn't helping, so I just shut my mouth. I'm going to shut my mouth before I say something I'm not supposed to! Tim, if you don't shut your mouth, I'm going to come over there and shut it for you.
See also: mouth, shut

shut somebody’s ˈmouth

stop somebody from saying something, especially from revealing a secret: His employers tried to shut his mouth by offering him money, but he told the story to the newspapers anyway.
See also: mouth, shut

Shut your mouth!

verb
See also: shut
References in periodicals archive ?
Still haven't summoned up courage to ask Sid to shut mouth while he eats cheese sandwich, giving impression of cement mixer (with sound effects).
Goldberg should keep her opinions behind a shut mouth.
Palestinians who have many cards yet to play should not stand still with cuffed hands and shut mouths against this unprovoked Israeli discrimination and racism.
He urged the locals to support the campaign and vowed to also shut mouths of those who do not fear the power of common men.
Well, how do we explain their shut mouths and stopped up plumes?
Warning systems that shut mouths and forced all responses to the evasive variety.