The tragic look on someone's face when they have been let down by someone else and fall into a spiral of unhappy emotions which often leads to a depressed look.
A: That guy at that table over there looks seriously upset.
B: He's probably been stood up and is facing Beckham Depression.
A: That man's gun accidentally went off and shot someone in the face. He's facing a life sentence and has been clinically diagnosed with Beckham Depression.