
Loudmouth
Negative Connotation
Indicates someone's annoying habit of talking too much, not just chattiness.

Don't let Marina join our plan, she's a loudmouth.
Secret Spilling
Implies the person may reveal secrets or private information without discretion.

I avoided telling Brian about the surprise party because he's a known loudmouth.
Informal Usage
Used in casual conversations, may be rude in formal settings.

Our coach is supportive but can be a loudmouth on the sidelines.
Compare with
BraggartTrumpeterWindbag
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