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

Cite this Entry

“Keep one's trap shut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20one%27s%20trap%20shut. Accessed 28 Dec. 2024.

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