flap one's gums

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English[edit]

Pronunciation[edit]

  • (file)

Verb[edit]

flap one's gums (third-person singular simple present flaps one's gums, present participle flapping one's gums, simple past and past participle flapped one's gums)

  1. (idiomatic, colloquial, US) To speak idly; to talk without effect.
    Synonym: flap one's lips
    What's that old coot flapping his gums about this time?