" Asked by a student for an example of infectious cultural junk that is hard to eradicate, I replied, "Well, it's like, when, like, you use a phrase which, like, isn't really, like, doing any serious work, but, like you go on, like, using it." To which the student replied, "I, like, understand the point, but I wanted, like, an example. "

― Daniel C. Dennett , From Bacteria to Bach and Back: The Evolution of Minds