yuppers duppers

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

by Goblin D May 15, 2022

Yupper dupper doo

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

by Nikocadoavocadosextape July 19, 2022

yuppers duppers

Most definitely...

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

by poohjocey75 September 30, 2017