An 'Iso Barker' is a noun to describe somebody who can be commonly be found listening to Lil Darkie and shaking from the amount of 'Monster Energy' consumed. These people are also often members of the LGBT community.

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.