Graffiti is a state of mind.

I had 20 minutes to kill before work so I pulled into a parking lot to relax and eat a quick snack. My mind was worrying at the capricious nature of human affections and I had to bring it to heel. As I was leaving I spotted the red stop sign from a distance and added its message to my minds errant ways...until I drove closer and noted the spray painted "Noob" underneath it.

It really was a message directly to me. :P