Here is a great site that I've been going to for about three years now. It's called Lowbrow. To describe the site from it's about section:
Lowbrow.com is dedicated to bringing you the best user submitted content about scraping the bottom and being a general piece of shit.
It is about moments where you said something completely inappropriate, where you stuck your foot in your mouth, or stamped the air out of some poor fuck's lungs.
As of August 1st, 2005, there are now over 30,005 moments submitted.
Go check it out and read and submit a moment.
www.lowbrow.com