Having one's anus forcefully, repeatedly and not-always-voluntarily resized. Size 9ing is most often performed courtesy of one's new cellmate's johnson, although at some parties, a proper piss-on / pass-out may elicit the act.
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".