A khawltarian is someone who’s khawl, not in a certain day or a certain situation, but he take it as a lifestyle, always been and always will be, khawl means (Pimp) in Egyptian Arabic.

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.