A popular sexual position in which the female is tied to the wall and her pubes are lit on fire. Then once the man cums, he puts out the fire with the cum. After that, the female is untied from the wall and thrown into a dumpster behind Home Depot.

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.