She says she is, because in any other community she's just a normal looking chick. Claiming geek gives you +3 on the 10 scale. See iJustine for reference.
Um, I'm a geek because I live on the Internet and make a living FROM the Internet. It started with DOS and King's Quest when I was a little kid... Does using a Linux machine in '99 give me any geek points? Oh, please, can I be a geek now? *rolls eyes
I better do some serious vanity Google repair if I come up as a dog wrestler. I used to come up mainly as an author, but if my royalty check is any indication that probably isn't the case any more.
I wouldn't call it a habit. It's just a sample bias. Good phrase though.