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.
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.
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.