When you ejaculate with no hands, or any other forms of stimulation while flacid. Inspired by the nut-worthy 3 pointer by VanVleet in game 3 Raptors vs Warriors.

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.