Facebook, Twitter, and MySpace are being copy-catted by smaller forums for specific groups. We wrote earlier about the Christian twitter, there's also twitter moms and now BroBible. BroBible is a webspace for bros to post videos, share thoughts, stories and advice.
I signed up with a fake name and checked it out; while it's definitely not my scene (don't go in if you're a girl, seriously!) I can see how it would be a good place if you want to hear crazy stories about getting trashed or whatever these guys do. There's also a lot of info on politics and economics, if that's of interest.
Tucker Max has some competition on his hands!