flap (one's) chops

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

Name	Pronounced	Usage
JindŘIch	-	Czech
Mielikki	-	Finnish Mythology
Jove	JOV (English)	Roman Mythology (Anglicized)
Koloman	KO-lo-mahn (German)	German (Rare), Slovak
FrĪDrihs	-	Latvian
ClÁUdia	-	Portuguese