What if people woke up one morning to find all of the street signs in their area replaced with very passive aggressive ones?

All the street signs people saw had been replaced overnight. They were made of the same reflective material and lettering, but the names had changed. Now, the residents of Ferntree Gully (Melbourne, Australia) were face to face with their vices being openly mocked, and their deepest fears laid bare. What did they see?