An acronym meaning "Not Naked, Who Cares". Basically implies that the person in question is so damn hot that they could be wearing 8 layers of clothing, a suit of armour or a space suit and still be an uberhottie.
Jeff: "Look at these pics of Denise Milani...omfg..."
Andy: "but dude... she's not even really naked... like wtf"
Jeff: NNWC man!
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