An imperative to be quiet or stop talking immediately. Can be rude, aggressive, or jocular depending on the context. Shut your face, 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 face! 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 face. I think it looks just fine."

An imperative to be quiet or cease talking immediately. Can be rude, aggressive, or jocular depending on the context. Shut your gob, 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 gob! 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 gob, Dave. I think it looks just fine."

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."

An imperative to be quiet or cease talking immediately. Can be rude, aggressive, or jocular depending on the context. Shut your trap, 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 trap! 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 trap, Dave. I think it looks just fine."