Numpt

As a verb: To screw up completely and/or hilariously.
As a noun: A complete failure, referring to a person.

"Alright, I need to take care of this paper before Darius numpts it (up)."
or
"I already know the button inputs, you numpt."

by Darius Oak September 30, 2016

numpte

An inversion of YUPE - Not Upwardly Mobile Plummeting Towards Earth, most often used as a joke or humourous critisism (see BANTER)

You flamming NUMPTE how could you be so stupid!

by JOE June 25, 2004