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give it mouth

A dated British slang phrase meaning to speak loudly, speak up, or give voice to something with confidence and volume.

ˈɡɪv ˈɪt ˈmaʊθ262 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 28, 2026

A dated British slang phrase meaning to speak loudly, speak up, or give voice to something with confidence and volume. If someone told you to give it mouth, they were urging you to stop muttering and actually project — to put your words out there boldly. It sits alongside similar British expressions about speaking one's mind and can also imply boasting or exaggerating. Mostly historical now, but the expression captures a very British directness about the act of speaking up.

The foreman told the new worker to give it mouth if he had a complaint rather than grumbling quietly.
Origin: Editorial expansion authored on Slangora (model-assisted, hedged).
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#2·Apr 27, 2026

(UK, slang, archaic) Speak loudly; speak up.

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