LOLCODE

Lolcats, meet programming. Programming, meet lolcats. I cannot tell you how awesome this is. (Via Boingboing)

It's also a fairly interesting example, reading the wiki, of language design through use. People post snippets of code, and then (ideally) explain the new features they invented to make it possible. Lastly, a discussion commences on the appropriateness of those features, possible alternatives, etc. Emphasis is on keeping with the lolcat style above all else, naturally.

See the Boingboing link for other lolcats links -- I'm not going to link them all. I have to reserve some of my Boingboing-linking quota.