Nubby Nubberton

One who has gone beyond all levels of the art of nub, even past nub cake. May also be described as "The Mayor of Nubville"
or "Govna Nub"

Oh my god, look at that tortoise-armed kid he is such a nubby nubberton.

You know if there was a state of nub, you'd be the govna! Govna Nub!