wag (one's) tongue(redirected from wagging his tongue)
Like this video? Subscribe to our free daily email and get a new idiom video every day!
wag (one's) tongue
To talk or chat. My dad is a pretty quiet guy, but when he's interested in something, he can really wag his tongue. My wife and her sister haven't seen each other in a while, so they've been wagging their tongues all day.