# big mouth

> English word · Noun

## Definitions
1. The mouth of someone who talks too much, especially by making exaggerated claims or by inappropriately revealing information.
2. A person who talks too much, especially by making exaggerated claims or by inappropriately revealing information.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/big-mouth