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
Eleni	e-LEN-ee	Greek
Lang	[læŋ]
Sosruko	-	Caucasian Mythology
Read	REED	English (Rare)
Tajuana	-	African American (Rare)
Walentyna	vah-len-TI-nah	Polish