AD&DDOS anyone?

It's just occurred to me, having seen yet another reference to the Kitchen Gangster on this forum, that one way of turning the tables on spammers is to use their own tactics against them. I'm not sure if is the right term for what I'm thinking about, which is to target this ****er's site and subject it to so much spam that it eventually crashes. Or something. Anybody here know how to do that?