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
Giannina	jahn-NEE-nah	Italian
Andres	-	Estonian
Haider	-	Arabic
Hana (3)	hah-nah	Japanese
Mahesh	-	Indian, Hindi, Marathi, Gujarati, Telugu, Tamil, Malayalam, Kannada, Nepali
Yuliya	YOO-lee-yah (Russian)	Russian, Ukrainian, Bulgarian