"Bunny-boiler," "chick-lit" and "booty" have all been added to the OED and Merriam-Webster's Collegiate Dictionary.

Particularly applicable to academics is "anoraky: Socially inept and studious or obsessive person with unfashionable and largely solitary interests."

If the shoe didn't fit quite so well, I might be offended. See Unbelievable!
for details on what new vocabulary you need to know.