Country Dictionary

A meal combining DINNER and SUPPER

Although it was very late I was ravenous, so I cooked myself a very hearty DUPPER.

Yuppeer dupper doo is an exclamation which can mean all things, whether it be happiness, saddness, anger, or any other intense emotion

Yupper dupper doo! This pizza is scrumdiddlyumptious

Means most definitely but can also mean not definitely

Person 1: Can you answer my question?

Person 2: Yuppers Duppers

Person 1: So?
Person 2: Dumbass yuppers duppers can mean not definitely

Most definitely...

Yuppers duppers, I'd love to go out to dinner...