A guy cums in a mug, and puts it in the microwave. When it starts boiling, he takes it out and splashes the scalding hot jizz on a girl's face. As her skin is bubbling like the cheese on a pizza, he tosses different toppings on her face.

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.