Flying in an airplane used to be a novelty, and also fancy. Now we are numb to the amazingness of flight, and everyone is a slob. Here are the worst of the worst. (A special thanks to Passenger Shaming, which collect and exposes deplorable in-flight behavior to the delight and consternation of the Internet.)
1. Keep your shirt on.
2. His dentist loves him, everyone else hates him.