ramble on

ramble on

To speak tediously and at great length (about something). He just kept rambling on about literary metaphors and imagery. I didn't know what he was talking about! I caught myself starting to fall asleep while the professor rambled on.
See also: on
Farlex Dictionary of Idioms.

ramble on (about someone or something)

Fig. [for someone] to talk endlessly and aimlessly about someone or something. (Based on ramble on.) I wish you wouldn't ramble on about your first husband all the time. Must you ramble on so?
See also: on

ramble on

 
1. to wander about aimlessly. (As with a traveler or a winding path.) The road rambled on through mile after mile of wilderness.
2. [for a structure] to spread out over a large area, perhaps in a random way. This old house rambles on, way back into the woods.
See also: on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

ramble on

Speak or write at length and with many digressions, as in As the speaker rambled on for at least two hours, the audience became restless. This idiom was first recorded in 1710.
See also: on
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • rattle on
  • be on about
  • be on about (something)
  • be on about something
  • be/go/keep on about something
  • rattle away
  • keep (going) on about (something)
  • at great length
  • explain
  • length