It was in oliviacirce's comments (like, the second one, in fact), and actually I would call THAT a fairly big element of Princess culture: we develop and adopt new vocab very quickly, mostly by usage in context. It was hilarious to watch, all the people who came after that comment immediately picking up the arbitrary names and using them in all seriousness, because, what the hell, they worked in the situation.

signed,
fannish drift can give you whiplash