Easy as verb To speak incessantly or incoherently, often revealing excessive or irrelevant information; similar to gibbering. Clear All
3 Example Sentences Showcasing the Meaning of 'Run Off At The Mouth'
Sarah's grandmother would run off at the mouth, sharing fascinating tales of her adventurous youth.
Jenny's mother warned her not to run off at the mouth about their family matters to strangers.
Sarah's excitement over her upcoming birthday made her run off at the mouth, planning every detail of the celebration.
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