Meaning of the word "big mouth" in English

What does "big mouth" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

big mouth

US /ˈbɪɡ ˌmaʊθ/
UK /ˈbɪɡ ˌmaʊθ/
"big mouth" picture

Noun

1.

a person who talks too much, especially about things that should be kept secret

Example:
Don't tell him your secret; he's a real big mouth.
Her brother is such a big mouth, he always spills the beans.
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