Payback time is when someone has to take the consequences of what they have done in the past.You can use this expression to talk about good or bad consequences.
This was payback time. I've proved once and for all I can become champion.
Well, it's payback time for failed policies.
See full dictionary entry for payback
payback time in British English
(ˈpeɪˌbæk taɪm)
noun
time to take the (good or bad) consequences of something you have done in the past
They did wrong and this summer will be payback time.
They have done absolutely nothing to develop young players and this summer will bethe payback time.
Now it is payback time for the residential developers that have made big profitsfrom building those apartment blocks, as they are being pressured to help the citymeet the demand for more affordable housing.
This will repay his faith in us. It's payback time.
This was payback time. I've proved once and for all I can become champion.