The most underrated person/playboy the world has ever known. He’s not a crook but he will steal your girl, so keep your girl away from him at all times. He despises chammaks and FISH.

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.