Fuzz Testing and Being a DickVote on HN Tweet
I really couldn't help myself with this one. Someone gave me the privledge to play around with their pet project, and the first thing I thought of was to read the HTML, and write a bash loop to spew all over it. We both got a kick out of it.
The end result is both hilarious, and kind of artsy too. I think it greatly encapsulates my feelings towards input validation.