keep one's trap shut

idiom

slang
: to not talk about something that someone doesn't want known
Can he be trusted to keep his trap shut?

Dictionary Entries Near keep one's trap shut

keep one's temper

keep one's trap shut

keep one's voice down

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“Keep one's trap shut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20one%27s%20trap%20shut. Accessed 4 Nov. 2024.

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