This is one of my personal faves:
http://redwing.hutman.net/~mreed/
It's a listing of "Flame Warriors". Internet personalities that I bet we can identify
Just click the little drop-down box on the right and there is a huge list with some pretty amusing descriptions.
edited to add: It seems that author has employed a large amount of sexism to get his humor across so, just beware ahead of time.