Surfing the web aimlessly and pointlessly, I came on this list of high brow jokes. I think some of them are hilarious.
http://www.independent.co.uk/news/science/how-many-surrealists-does-it-take-to-screw-in-a-light-bulb-a-fish-the-most-highbrow-jokes-in-the-world-8691191.html