Go on and on about - Idioms by The Free Dictionary
go on (and on) about (something) (redirected from go on and on about)
go on (and on) about (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.
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.