What is Red Ball?
1.
A case that is so big it has an entire police force working on it.
The Washington Sniper case was a red ball for the DC Metro Police.
See
2.
A really, really dumb thread on a forum. No one wants to read that kind of crap. Why did they post it? no one knows. All they know is that the thread sucks. Which is good enough reason to leave it.
Man, that thread MUST be stupid. I mean, it's obviously a red ball.