shut your mouth(redirected from shut someone's mouth)
shut your mouth
Be quiet or cease talking immediately. Can be rude, aggressive, or jocular depending on the context. Shut your mouth, Bobby—no one asked for the opinion of a dork like you! A: "So, where do you think we can sell these stolen goods?" B: "Shut your mouth! Don't you have enough sense not to talk about that in public?" A: "Wow, that Cadillac has seen better days. How much did you pay for that little gem?" B: "Ah, shut your mouth, Dave. I think it looks just fine."
shut your ˈmouth/ˈtrap/ˈface/ˈgob!(also keep your ˈmouth/ˈtrap shut) (slang) a rude way of telling somebody to be quiet or stop talking: ‘Shut your face’, Roger said, ‘or I’ll kick you out.’ ♢ Why can’t you learn to keep your big mouth shut?
Trap and gob are slang words for ‘mouth’.