wag (one's) tongue(redirected from wagging his tongue)
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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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.