The result of a person (or organisation) disappearing so far up their own backside that they warp a hole in spacetime from which not evenlogic can escape.
I came perilously close to the event horizon of a brownhole today and frankly, I'm lucky not to be buried in a whole heap of super-dense shit.
Any individual who possesses socially akward qualities and several distinguishable physical features. These said features can range from abusrd hairiness to a burly physical frame to a lazy eye, all of which contribute to the individual's lack of social ability.