beat one’s gums

beat (one's) gums

To talk repeatedly and/or lengthily but without impact. I constantly beat my gums about dirty dishes in the sink, and the kids still never clean up after themselves!
See also: beat, gum
Farlex Dictionary of Idioms.

beat one’s gums

tv. to waste time talking a great deal without results. I’m tired of beating my gums about this stuff.
See also: beat, gum
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • beat (one's) gums
  • beat gums
  • gum
  • a bone of contention
  • bone of contention
  • contention
  • all y'all's
  • flap (one's) gums
  • flap gums
  • flap your gums