Reference to film star Greta Garbo, evoking a quiet, mysterious, private, calm, serene, poised disposition. Not needing to justify yourself; allowing the other person to imaginewhatever they like while you keep your cool.
"Tranquility is the greatest manifestation of power."
The scandal did not ruffle her feathers, she remained garboesque through the entire ordeal.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".