Side splitting t-shirts

Personally, I don't wear t-shirts very often -- and when I do, I don't usually wear ones with cute sayings on them. However, I recently came across the site Threadless (which apparently is pretty popular and I don't know what rock I've been hiding under for the last year) and just had to post some of these designs! I found Threadless on a particularly gloomy day and these shirts brightened my mood considerably.