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