Yea I wouldn't pay too much attention to her...
As I was also the nerdy shy girl who read books and played video games with guys while the other girls were doing...erm.. whatever girls do =/ I know where you're coming from.
Most of my friends have accepted that FFXI ate my life, even if they don't understand it. Hell, my mom who can't work her email is learning game terms XD
Although I'm tempted to go with Ameilie's "At least I don't sleep with /randoms" (haha I <3 it) approach, she doesn't even seem worth it to me. A real friend will support you and put you down! And why waste a perfectly good insult on someone you don't like? =/