someone who is heavily into macrobiotic food, to the extent that they frown upon people who do not eat macrobiotic food.
i'd buy some KFC but my brothers a macrobe and would beat me up.
(1) A body-less head.
A head that has been severed in a sterilized sanitary severing device. And then begins to march over you.
See "March of the Macrobes" by Blaster the Rocketman
Macrobes! Here comes the heads! The chosen heads! of the bodiless Men!