It's weird how words take different meanings for different people. As far as I was concerned, I thought "fangirl" was the same as "enthusiastic devotee" [who is female, and probably dorking out on the internet]? "Teenie" or "Crazyface" for instance hasn't ever been the same to me as "fangirl" and I don't distinguish a difference between fangirl and fanboy or ...trekkie. If anything I immediately think of nerdy connotations, not negative ones.

Eh, I'm not making much sense. When I was going to my trip to the US for that band, people would say to me "Oh, so you're a groupie!" and I would respond "No, I'm a fangirl" without any irony whatsoever. Then again, I can't really know what they thought I meant. So. Anyway.