This was about a month and a half after I started my current job waiting tables at a pizza joint. 

There's this one guy who is semi-regular. He doesn't come in that often, but when he does it's either exactly nine o'clock or right after - we close at nine. This is the second time in this week that he's came in after nine and asked if we could make him a burger. Both times we denied him. Our kitchen was closed, register was in the process of being shut down, etc. 

He didn't take his frustrations out on us thankfully, but it was a busy Saturday night and we still had a few tables that we were working on busing. 

This guy yeets over to one of the tables, snatches a leftover half-eaten piece of pizza, takes a bite and walks out the door like nothing happened.