Brees tells Katie Couric "that's kinda what I like about it, is the fact that it's unexpected."
He called it, "just kind of a rallying cry. You know? Something that was special to our team, and just for our team."
So what does he say in that rallying cry?
He's not saying. "Once you're in that huddle," he said, "you're part of a brotherhood."
See the full interview, here.