Son of the greatest parents alive he is said to be the fastest born child in the world born on the interstate doing 100 mph if you see this dude run the other way can fix any and everything don't push his buttons you will meet your maker. Awesome at everything never fails watch out ladies he will steal your hurt

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.