I don't think there is a clear division, but you could mark things on a scale, with points for dissimilarity from traditional high culture, prevalence in current culture, mass popularity and the like, to get some sort of pop culture index score. Maybe a traditional critical lack of respect or interest might score well too.
I'm certainly interested in some things that are not really pop culture. I'm reading a book on Japanese art at present (this is a major interest of mine), at least three quarters of the films I saw last year were subtitled, I've read all of Shakespeare's plays and sonnets, and so on. I don't make so much distinction between those and comic books, Hollywood films or reading crime novels, and it is surely undeniable that the distance and barriers between the allegedly opposite ends of the cultural scale have been greatly eroded over the last century.
― Martin Skidmore (Martin Skidmore), Saturday, 25 January 2003 17:41 (twenty-three years ago)