This post is more than 2 years old.
So I typically don't have much use for the more advanced Google search tips. I almost always find exactly what I want with a simple query. However - something has been bugging me for a while now and I finally got off my butt to learn how to correct it.
Turns out there is a trivial way to hide this site from your results. I just added:
And when I searched again, it was removed from the results.
Now if I can just find a way to make that the default, I'd be even happier. There must be a way to tweak the Google Toolbar for Firefox to get the same results.