What is Dark One?
1.
in a nutshell, a very big, and very disagreeable entity, human or otherwise. the most widely known dark one is, of course our good friend the squidhead, cthulhu. can be used as an insult in civilized company. used only in circumstances in which the person in question is hated beyond any and all
"go home, dark one." (meaning, go to hell, fucktard)