Despite bastardization in recent years to the alternate (Read: "Gay") spelling, Narley, gnarley is akin to rad - a late-1980s - early-1990s term, meaning "exceptional", or "cool". Developed on the West Coast, and used primarily by sufers and skateboarders.
"Hey bra, d'dya scope that gnarley tide?"
"Tscha! That was a ripple, man!"
Userofsoftware by thecorporationKAMicrosoft. Generally thought of as powerless, but in actuality connected with limitless high-end software and hardware possibilities, as long as he/she - well, okay, just he - knows what he's doing.