Nuckey

Similar to Nucker, A Nuckey is a thing that claims is not a nucker, but however is. Normally a word used by the Americans.

Lady: "Oh my! Look at that guy!"
Guy 1: "Don't trust him, he's a nuckey"
Guy 2: "I am not!"
Guy 3: "You kinda are.. yet you claim you're not.. Which makes you even more of a Nucker.."
Guy 2: "What even is a Nuckey?"
Guy 1: "You don't wanna know."