flap your gums

flap (one's) gums

To chatter or blather. Quit flapping your gums—I need some quiet so I can think! Whenever Charlie starts to flap his gums, I can't get in a word! If you three have time to flap your gums around the water cooler, you have time to take on an extra project, right?
See also: flap, gum
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

flap your gums

AMERICAN, INFORMAL
If someone flaps their gums, they talk a lot without saying anything important. Who wants to hear you flapping your gums first thing in the morning?
See also: flap, gum
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
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References in periodicals archive ?
RE: 'Flap Your Gums But Give 'Em Nothing': A practical guide to Media Management of Ministerial Negotiation with Indigenous Communities