An older aging fat ugly filthy nasty stinky hairy woman who provides sexual favors for free only to the black male prison population and is always waiting for their release at circle park so she can let her pussy loose on some big black prison cock!

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.