http://www.rustykettle.co.uk/devoxmas.wmv some of you might be familier with this some not you can find the rest of his chav videos on www.fat-pie.com
I believe in the US they are known as trendies. They wear Nike, Adidas, Kappa and other tasteless brand-name clothing, and get their kicks from hanging around in groups beating people up (because you need 10 chavs to cause any damage to a normal person), shouting abuse at people, and racing modified Vauxhall Novas.