(YouTube link)
Corey Delaney, also known as Corey Worthington of Melbourne, Australia threw a party while his parents were gone. It got out of hand, 500 people showed up, and eventually involved the police. Corey appeared on a news show to talk about it, but the desire to remain cool trumped his remorse. Gawker has a timeline tracking how the video became an instant worldwide viral hit. Link (warning: post contains an autoplay radio show near the bottom)