yupper 

A person who is in the habit of constantly agreeing with others, by means of the expression "Yup."
The expression can be used in substition of Yup as well.

Alex 39 says: "the whole island has a week off right?"
BondServant the LORD, God Almighty! is Thrice Holy! Glorious is the King of Kings!! says: "yup"
Example 2
Alex 39 says: "the whole island has a week off right?"
BondServant the LORD, God Almighty! is Thrice Holy! Glorious is the King of Kings!! says: "yupper"

yupper by Alex and Rita March 22, 2008

Yupper 

Strongest version of the word "yup", a form of the affirmative, yes.

Do I want a chocolate soda? Yupper!

Yupper by Big Buffalo Chip April 18, 2017

yupper 

A young city or suburban resident with a well-paid professional job and an affluent lifestyle.

A beggar who works as a managing director of Plumb Center.

yupper by Philsley July 15, 2005

Yupper 

A person who’s either a wannabe gypsy or some who repeatedly refers to their own friends as “da bayz” ,” mush” , “charva”. They also can’t fight the urge to not put their finger up in a photo pointing towards another yupper

Look at the state of them yuppers

Yupper by D Grange May 11, 2023

yupper 

Derogatory slang term for a Finnish person.

"Jonas quit acting like a yupper"

"He's part of the Yupper Squad"

yupper by yupper1 August 16, 2023

yupper-yapper

A small obnoxious yapping dog own by an equally obnoxious yuppie

I could tell right away by the bumper sticker 'Hillary' that the owner had a yupper-yapper in her car.

yupper-yapper by RSA12357 September 7, 2016

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

Yupper dupper doo by Nikocadoavocadosextape July 19, 2022