A rare breed of female who embraces an alternate lifestyle choice consisting of, but not restricted to:
a) The worship of science fiction and/or fantasy narratives.
b) The worship of comic books.
c) The worship of toys.
d) The expression of said worship at various themed conventions.
Wow check out all the she-nerds at this year's Sci-fi expo! The one dressed as Princess Leia has sweet buns!