A nerd who dresses like an emo and is odd.
That guy with the black coat and gameboy colour is a nemod.
an extremely screwed up person. In some cases a retard. You call someone it as an insult if they aren't retarted but act like they are. You call someone it as a classification if they truly are retarded
1) John (who is acting like a retard): Haha man look at me !!
YOU: Wow John you are a fricken nemod
2) Bobby (actually a retarded man): Haha sdnusdncn
YOU: Oh kids, don't laugh - he's nemoded (or a nemod).