have a loose tongue

have a loose tongue

To speak too frequently or without discretion, especially as when unintentionally revealing private or sensitive information to others. You have a very loose tongue. You'd do well to learn to keep your mouth shut! The details of this project are extremely confidential, so make sure you don't have a loose tongue about it. You know Bryan has a loose tongue, so do not tell him about the surprise party!

See also: have, loose, tongue

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

have a loose ˈtongue

talk too much, especially about things that are private: Be careful what you tell Sam — she’s got a very loose tongue, you know.

See also: have, loose, tongue

Farlex Partner Idioms Dictionary © Farlex 2017