Gropecunt Lane

Grope laneCheck out this page which lists a bunch of very bad street names.

And “Grope Lane” offers the most fascinating explanation:

Gropecunt Lane was a name used in English-speaking towns and cities in the Middle Ages for streets where prostitutes conducted their business. At one point there were streets of this name in many cities in Britain and Ireland, though in most cases later sensibilities changed the name to some more polite variation.