motor-mouth

[ moh-ter-mouth ]
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noun,plural mo·tor-mouths [moh-ter-mouths, mouthz]. /ˈmoʊ tərˌmaʊθs, ˌmaʊðz/. Slang.
  1. a person who is a constant or irrepressible talker.

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British Dictionary definitions for motormouth

motormouth

/ (ˈməʊtəˌmaʊθ) /


noun
  1. slang a garrulous person

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