Common words, phrases or way of thinking originated or inspired by pop culture; most often used and shared by large groups of youth. See
slang or any other reasonably popular entry in
Urban Dictionary.
Anarchy, yo mama jokes, voting, and the versatility of the word "sketchy" are all examples of hivethink.
n. A smelly prototypical raver who makes the rest of America's liberals look really, really bad by inappropriate association.
Much like Supreme Court Justice Potter Stewart, you'll a know a hippie when you see it.