The unintentional chaos caused when an exceptionally large posterior sets off minor tremors upon contact with nearby objects, furniture, or unsuspecting bystanders.
Sammy turned too fast and caused a full Cake Quake — three drinks down and a lamp sideways.
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".