It used to be directed toward eastern European athletes back in the day (I remember a LOT of pissing and moaning every time one of them won a medal in the Olympics). You don't like the race/ nationality/ gender ect ad nausem... then they CAN'T be as talented as your team. Jerks.
Oh, and thanks for the props on my icon. You can make some really cool ones at http://www.says-it.com/. They also do the really cool church sign designer there.