wag (one's) chin(redirected from wags their chins)
wag (one's) chin
To talk or chat, especially idly or at length. A less-common variant of "wag one's tongue." My dad is usually a pretty quiet guy, but get him talking about electrical engineering and he can wag his chin for hours at a time. My wife and her sister haven't seen each other in a while, so they've been wagging their chins all afternoon.
wag one's chin
Rur. to talk. She loves to visit. She'll wag her chin for hours. He was on the phone, wagging his chin to his buddy.
wag one’s chin
tv. to talk or jabber; to chatter aimlessly. The two old buzzards sat on the park bench wagging their chins all afternoon.