nupp

Commonly used in chat rooms, texts or other forms of technological communication.
"Nupp" is used for 'No'. No became nah, which became nup then formed into "nupp" to make it sound cooler.
Another form is "yupp" for 'yes'

There is only one true nuppe.
nuppe is world famous for his Action Quake 2 aiming skills.
All nuppe does is reading minds, what makes him "Master of nuppets". Don't mess!

The opposite of yup; meaning no
When somebody say yup and you say nup