flap (one's) gums

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To chatter or blather. Quit flapping your gums—I need some quiet so I can think! Whenever Charlie starts to flap his gums, I can't get in a word!

Name	Pronounced	Usage
Vaishnavi	-	Hinduism, Tamil, Indian, Telugu, Marathi
Masood	-	Arabic, Persian
Alexandrea	al-əg-ZAN-dree-ə	English (Modern)
Azazel	-	Biblical
Marian	['mɛəriən]
Irvin	UR-vin	English