Hmm well nerdy to me would have to be the whole stereotype... so:
WoW, dodgy clothes, computer-obsessed, gamer, anti-social, grade rocking etc.
I mean, Seth Cohen (yay education via OC) seemed a bit geeky to me
![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
and he was gorgeous and sweet. Then again he had an awesome character, was played by an incredibly hot actor and had the benefits of good lighting, a script etc on his side.
I haven't met many people that fit my "nerdy" classification though. So maybe I just don't consider people nerds like others would :S hmm haha