I've had this site bookmarked for a long time and am finally getting around to posting about it. These are some of the funniest, most original t-shirts I've seen anywhere! The shop is called Loiter and anyone can design and submit t-shirts to them. You can browse by newest submissions or most popular; they change all the time. Here are some of my favorites:
These make great gifts for young guys if you're tired of buying the same old gift card. I like to use one as my profile pic on Facebook once in while, just for fun.