It is a feeling, work or expression. It basically expresses tremendous joy or savage work. But it's use is pretty flexible and can be used in different ways in different sentences
Today i tosanied at the school., "Aaj naba(a female) k tossiye dilam" (bengali use case), Don't or else I'll tosani.
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".