look up any word, like ratchet:
 
1.
A combination of bare assed and buck naked. Another form is buck ass nekkid. Usually applies to a drunk frat boy types in innocent homo-erotic situations while hard drinking with their buddies.
Josh: "Hey, that Chad guy is buck ass naked and sportin' a semi."

Jake: "Yep, he's a nudie."

Jeremy: (as he drops his boxers) "Yeah, he'll nude up any time, anywhere."
by Jacero10 August 20, 2006