A scruffy looking animal that survives from sexing and then eating road kill. Although a Jedders will venture towards small defenceless live animals it is actually the stench of the rotten corpse that arouses Jedders and makes him able to penetrate such wafes and strays Jedders is a demented weirdo.

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.