The foreskin of a nub (or noob, a person who is new and/or plays a game childlike.) Calling someone a nubskin suggests that they play so poorly, there are indeed the foreskin of the nub.
Wow, nubskin, way to run in there and aggro everyone in the room and make us wipe.
Main Entry: nub-i-kins
Pronunciation: nub-ee-kinz
Function: noun
Etymology: Alteration of English internet dialect Newb, probably from Low Patience for Eastern American "Mee too-isms"
1 : To be completely Clueless of one's situation or surroundings
2 : To be a warm and fuzzy Newb (Noob)
3 : To be horribly naive to the point of appearing retarded
May I have an order of regular degular buttermilk pancakes? Without all the added jazz? Hold the blueberry smiley face, strawberry glaze, chocolate chips and whipped cream.