Any song containing the lyric ‘We’re not unreasonable, I mean no-one’s gonna eat your eyes’ is a winner in my book.
http://www.jonathancoulton.com/2006/03/24/thing-a-week-26-re-your-brains/
Also this following link has been around for a while but it’s suitably amusing to post here. How to fill an aircraft hangar with foam.
That is truly splendid.