flap (one's) gums

Like this video? Subscribe to our free daily email and get a new idiom video every day!

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!
See also: flap, gum
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

flap one's gums

 and flap one's jaws
Rur. to talk aimlessly. They're still out on the porch, flapping their gums. Well, I can't sit here flapping my jaws all day. Gotta get back to work.
See also: flap, gum
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

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
See also: