The act of inserting a large amount of insects down a male urethra in order to receive sexual pleasure

Commonly used insects include - Maggots, Spiders, Ants, Millipedes, Worms, Beetles and Bees but depending in size of penis can also include Cockroaches and Centipedes

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.