go on and on

go on and on

To continue or speak for a tedious or exasperating length of time. That film was so stupid, and it just went on and on—I thought it would never be over! My date kept going on and on about his charity work, never even asking what I do for a living.
See also: and, go, on
Farlex Dictionary of Idioms.

go on and on

to (seem to) last or go forever. You talk too much, Bob. You just go on and on. The road to their house is very boring. It goes on and on with nothing interesting to look at.
See also: and, go, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

go on and on

1. See go on, def. 5.
2. Continue without stopping, last for a long time, as in This trail goes on and on, or The movie went on and on. This usage was first recorded in 1938.
See also: and, go, on
The American Heritage® Dictionary of Idioms by Christine Ammer.
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)
  • keep on about
  • bang on about (something)
  • bang away about (something)
  • rag-chewing
  • run (one) off (one's) feet
  • rush (one) off (one's) feet