verb
waffle
To keep changing one's position instead of making a firm decision.
The shopper waffles between two jackets while a companion waits.

Etymology
Waffle's uncertain or evasive talking sense broadened to wavering in decisions. A person keeps changing position without settling on a firm choice.
In context
don't waffle on and on about random stuff you are not there to talk about the football match that was on the day before
More examples
- She waffles on whether to accept the job.
- The mayor waffled on the proposal, supporting it one day and opposing it the next.
- Stop waffling and tell us which plan you support.
Forms
waffle · waffles · waffled · waffling
waffler noun — Someone who repeatedly avoids making firm decisions.