Stop his mouth - Idioms by The Free Dictionary
stop (one's) mouth (redirected from stop his mouth)
stop (one's) mouth
obsolete To keep someone from being able to speak, either physically or emotionally. I stopped his mouth with my finger, and told him to be silent for a moment. The bitter sadness stopped my mouth halfway through my speech, and I was unable to say another word for a full minute.
stop someone's mouth bribe or otherwise induce a person to keep silent about something.
References in classic literature
Have you cords to bind him with and a gag to stop his mouth
'If he means to blab us among his new friends, we may stop his mouth
Mancunians not only told the assailant to stop his mouth
, but physically put themselves between him and the young couple.