Related or pertaining to the Harlem Whirlwind. Strictly required execution in New York. When you pick up a prostitute, at least 70 years old, and take her home. Then, proceed to take her titties (which should be sagging to the floor) and throw her around the room, creating enough centripetal force that you both start floating. The Brooklyn Beyblade is a great alternative to flying on commercial airlines.

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.