It's an inadequate definition, I know, but for me a nerd girl is simply a nice girl who appears to have a soul. That doesn't mean that other girls don't have one, just that you have to get to know them to discover it. With nerd girls you see it instantly. What you see is what you get, and it's usually pretty good.
I got that notion about having a soul from a one time visitor here, who said that she/he liked my site because it appeared that the guy who put it up (me) actually had a soul. I don't know if I deserve that or not, but it was a nice compliment. Now I look around for other people who it applies to.
Nerd girls can be soooooo sexy.
There's a nerd girl site on the net that I think is great. I was surprised when a couple of my friends took a look and pronounced it lame. Is it? Geez, they have high standards!
Some of the girls on that site are only borderline nerds. Like the girl above...would you call her a nerd? She might be, I'm not sure. 'Not bad, though.
Lest you forget what a real nerd is, I offer the example above. Er...gulp!
The fact that there's so many borderline nerds is disconcerting. Is the girl above a nerd? I can't tell. Now I'm getting confused. It's fashionable to be a nerd now and the market is flooded with nerd wannabes.