People are or will be spreading gossip (about something). Tongues have been wagging all through the office after the boss was dropped off to work by someone other than her wife. With the way tongues wag in this town, you can't do anything without everyone knowing about it. Just when the dust of his previous scandal had begun to settle, the governor did something new to start tongues wagging across the country yet again.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
People are gossiping. For example, Tongues wagged when another police car was parked in front of their house, or Their arrival in a stretch limousine set the neighbors' tongues wagging. This metaphoric expression transfers the rapid movement of the tongue to idle or indiscreet chatter. [Late 1500s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
tongues ˈwag(informal) there is a lot of talk about somebody’s private life, etc: Don’t tell anyone your secret — you know how tongues wag around here.
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