From reddit: I put a bottle of piss on my general managers car one time because he was rude to me a few days prior.
"When I was younger I worked at a restaurant inside an airport. My GM was usually pretty cool, but for whatever reason he was being a dick to me one week. After one shift I decided I would get a little pay back. When I clocked out and went to my car, I saw that he had parked nearby. So I pissed in an empty water bottle I had in my car and then put i..."