These kids today…
hitches up his onion belt
what?? I get half my lines and cultural references from ALF!
That explains so much…
How about an excerpt from Ulysses? Give them some James Joyce, they might want to go back to sci-fi after that. 
How about the whole last chapter. I had that in a high school English class and it traumatized the hell out of me…
I seem to be incapable of finishing a book these days (even one as funny as “Absurdistan”), so I can’t think of anything to give your students, GR. Sorry. 
GR, what do you teach? I’m interested in how you’re incorporating so much pop culture into your classes. (Could I do that?..)