Iconic scene at the back of a limo when Kim Richards points out that her youngest sister, Kyle, is a f*cking freeloader and that she, along with Kathy Hilton took advantage of Kim's disadvantaged economic situation at the moment of their mother's passing.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.