It's an aggressively homosexualaboriginal that attacks you (in the binung) while you are unconscious. The nightmares that follow is what they call the Dreamtime. You may encounter it during a coroboree.
Person 1 : are you OK?
Person 2 : I feel fucked after last night's party.
Person 1 : probably that Rainbow Serpent mate, now you understand the dreamtime.
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".