A more extreme version of a fob (fresh off the boat). A Nob will do anything possible to avoid contact with foreigners, even if they are in foreign land.
Scenario 2: your aging boss thinks he has broken his laptop because the battery ran out. You say: "Hah. He's such a nob."
Scenario 3: you have gonorrhoea, and it's making your nob hurt.
"omfg, that guy was a totally nøb"