yap on (and on) about (someone or something)

yap on (and on) about (someone or something)

To talk ceaselessly or volubly about someone or something, especially in a loud, irritating, or inane manner. All they do whenever we get together is yap on and on about kids they don't like in our class. He keeps yapping on about all the problems with the project, but he never offers any helpful suggestions or solutions.
See also: on, yap
Farlex Dictionary of Idioms.
See also:
  • yap away about (someone or something)
  • yammer away about (someone or something)
  • yammer on (and on) about (someone or something)
  • yammer
  • yammer about
  • yammer about (someone or something)
  • gripe
  • needle (one) about (something)
  • needle about
  • nudge (someone or something) (somewhere)