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blabbermouth

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blabbermouth /ˈblæbɚˌmaʊθ/ noun

plural blabbermouths

blabbermouth

/ˈblæbɚˌmaʊθ/

noun

plural blabbermouths

Learner's definition of BLABBERMOUTH

[count] informal

: someone who reveals secrets or talks too much

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: very slightly (informal)

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