big mouth
The term "big mouth" is often used in informal contexts to describe someone who talks excessively, especially inappropriately revealing information or making exaggerated claims.
🇺🇸 US Voice:
🇬🇧 UK Voice:
Definition
B2General
(informal, disapproving)A person who talks too much, often revealing secrets or confidential information.
Example
- Don't tell him anything important; he's such a big mouth.
B2General
(informal, disapproving)Someone who boasts or speaks in an overly confident manner.
Example
- She's got a big mouth, always bragging about her achievements.
Similar
Terms that have similar or relatively close meanings to "big mouth":
mouth offpotty mouthrun off at the mouthshoot off at the mouthopen widewatch one's mouthbig talkmonkey lipsa closed mouth catches no fliesmouth breathermouth the wordsoral cavity