shut one's mouth
idiom
informal
—used to tell someone in a rude way to stop talking
She angrily told him to shut his mouth.
Cite this Entry
“Shut one's mouth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shut%20one%27s%20mouth. Accessed 25 Jul. 2025.
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