some wannabe white boy rapper who lives at his mums house, sells weed, says the n word and is way too arrogant for his own good. thinks he's hot shit. only got into music for the clout. most people can't stand this type of person but no matter how many times you say you're repulsed by his attitude, trappo still loves himself.
this guy also probably unironicly thinks trap music is good.

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.