Why do Red Sox say dirty water?

Why do Red Sox say dirty water? The song was written by the band’s producer, Ed Cobb, who wrote it after a visit to Boston, during which he was mugged on a Massachusetts Avenue bridge over the Charles River. Hence the reference to fuggers and thieves down by the banks of the river Charles.

The song was written by the band’s producer, Ed Cobb, who wrote it after a visit to Boston, during which he was mugged on a Massachusetts Avenue bridge over the Charles River. Hence the reference to fuggers and thieves down by the banks of the river Charles.
See also  What is the final card in we're not really strangers?