flap (one's) jaws

To talk in a meaningless, aimless, or idle manner. Jim always starts flapping his jaws after he's had a couple of drinks.

Name	Pronounced	Usage
King	KING	English
Theofania	-	Greek
Bertha	['bə:θə]
Yared	-	Biblical Hebrew, Eastern African, Ethiopian
Frank (1)	FRANGK (English), FRAHNK (German, Dutch), FRAWNK (French)	English, German, Dutch, French
Ama	-	Western African, Akan