Question
3 July
- French (France)
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English (US)
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Simplified Chinese (China)
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Korean
Question about English (US)
What does Clam up mean?
What does Clam up mean?
Answers
3 July
Featured answer
- English (US)
- English (UK) Near fluent
To stop talking. Become silent
Read more comments
- English (US)
- English (UK) Near fluent
- French (France)
@sparon In what situations can I use it ?
- English (US)
- English (UK) Near fluent
@eddee an example would be, “He clammed up once the police arrived.” or “She clammed up once she saw she was being recorded.”
It’s usually referring to someone suddenly becoming quiet, usually because of a reason. The phrase is derived from how a clam closes its shell when it senses danger.

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