I decided I lean more toward geek than nerd
Geeks can be obssessive over certain obscure topics that nobody else shares, and then create exclusive geek clubs about them
so yea. Only geeks can really know why Claudia Kishi wore all those differents outfits in the Baby-sitters club and what book Mallory Pike wanted to write, why Mary Anne like Logan and what the middle name of Kristy Thomas is. Also, how many boyfriends Stacy McGill had and why Dawn Schafer moved all the way from California to the fictional town of Stonybrook.
They would also have at least tried to read all 200+ volumes of the series if not watched the entire series in Netflix. And never really questioned what kind of parents just let 10-12 year olds look after their babies all the time.