First off, INSTANT DANCE PARTYYYYY.
Basically, there is this website where you clock the little smileyface, and it starts playing music. No screamo or anything, but I'd advise not to have your volume cranked at max.

http://www.stumbleupon.com/su/2q9Gbm/instantdanceparty.com/

Then, there is this test to show your mental age. I don't know how good it is, but give it a shot. Personally, I am 38 and my friend is 46.

Link; http://www.stumbleupon.com/su/1H8swI/mymentalage.com/new/
Well! Finally, for this short little thingy, there is a quote from Oscar Wilde. I asume you've seen it before, but what the heck.