Definitions by Dancing Band Everyone.

Naptitude 

The degree of nappyness of ones hair. The naptitude is measured in Niggawatts (one may add a prefix to any measurement, i.e. kilo-, mega-, giga-, etc.).

Dylan: What's the naptitude of her hair?
Kevin: I'd say a couple kiloniggawatts.

Naptitude by Dancing Band Everyone. January 12, 2009