The Riders who say "Ni!" (LOTR / Monty Python's Holy Grail)
The physical limit of Peak Nerd-ery. Yes, I found it amusing. I also just bought Dungeons and Dragons for my wife, who is also Peak Nerd. We have two -- not one, but two -- Priuses, too. No kids. Of course. One cat. Named Grendel. And I'm not kidding.