Trap

La boca. Close your trap if you don't want to get a sore throat: Cerrá la boca si no querés agarrarte un dolor de garganta.

Dictionary.com tiene un ejemplo para esta palabra del slang: Keep your trap shut.

Según Cambridge, parece que es an impolite way of telling someone to stop talking: 'That was a really stupid thing to do.' 'Oh, shut your trap!'

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