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.
by rednos January 10, 2013
The realization that everyone around you has a life outside of yours, complete with their own thoughts, feelings, and emotions. You could potentially be just a passing figure on the street to them.
by shrek's Wife November 20, 2012
n. Pseudophilosophical guff memetically spread by the tumblr blog "The Dictionary of Obscure Sorrows". No academic grounding whatsoever, can be figured out through common sense.
by Ma1nFr4me May 28, 2013
The universal primal diversions of that which abolishes the hilt of the sword of anger unleashinf forth from its wings the waves of time.
by culbocfromsuty October 22, 2016