keep on about

keep (going) on about (someone or something)

To continue or speak for a tedious or exasperating length of time. My date kept going on and on about his charity work, never even asking what I do for a living.
See also: keep, on

keep (going) on about (something)

To speak about something tediously and at great length. Primarily heard in UK. He just kept going on about literary metaphors and imagery. I didn't know what he was talking about! She always keeps on about some new show she has started watching.
See also: keep, on

keep on (one) about (something)

To continue to remind, encourage, or nag one about something. We need to keep on our senators about this legislation so that they don't let it fall by the wayside. Mom always kept on me about my homework, and I'm very grateful to her for that.
See also: keep, on
Farlex Dictionary of Idioms.

keep (going) on about someone or something

to continue to talk excessively about someone or something. I wish you would not keep going on about Tom and Jill. Don't keep on about my haircut. It's perfect!
See also: keep, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

be/go/keep ˈon about something

(informal, disapproving) keep talking about the same thing so that people become bored or annoyed: What’s she on about now? Don’t keep on about your terrible journey. It’s so boring.
See also: go, keep, on, something
Farlex Partner Idioms Dictionary
See also:
  • go on (and on) about (something)
  • go on about someone/something
  • go on and on about someone/something
  • keep (going) on about (someone or something)
  • go on and on
  • bang on about (something)
  • bang away about (something)
  • run (one) off (one's) feet
  • rush (one) off (one's) feet
  • rushed off your feet