Sites explicating them are a dime a dozen, but I liked the one at AdamSmith.org, which Fred Scrooby brought to my attention.  I don’t know why (restructuring maybe?), but the site now seems inpenetrable to Google.

Does anyone know where it went?

The Chewbacca Defense had me in stitches:

http://en.wikipedia.org/wiki/Chewbacca_Defense