No, I'm not referring to Facebook. I just discovered this awesome site for when you're bored, called The Poke (time well wasted). From what I can tell, it's mostly lists of funny things. Here are a couple of my faves so far:
30 Amazing Street Posters to Brighten Your Day
50 Brilliant Pub Chalkboards
And the one that started it all: Unfortunate Publishing Layouts of Our Time