Simple as verb To speak impulsively or without thinking, often revealing too much information; similar to blurt. Clear All
3 Example Sentences Showcasing the Meaning of 'Run Off At The Mouth'
Timmy tends to run off at the mouth in class, sharing every detail of his weekend adventures.
The little boy would run off at the mouth, narrating his adventurous dreams to his parents every morning.
The little boy would run off at the mouth, sharing his adventures with anyone who would listen.
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