MulletsGalore.com - Fear The Mullet!. I'm still laughing about this site.
Icebox.com - Funny video cartoons, I recommend Hard Drinkin Lincoln.
UglyPeople.com - pretty damn funny, and so are the pictures.
Pimpwar.com - Where did you pimp your hoes today.
SnowCraft - A Snow Ball fight to the death! - Die you cute little Bastards Die!
Simeon's World of Magic. Some of these magic tricks will blow your mind!