When a large woman (or man) is wearing clothes that are too tight, thus "rolls" are visible. First originated when observing a big woman wearing a tiny outfit, including way to small strappy sandals.
Mike was going to have sex with his girlfriend and Harmon informs him to get her better prepared for your man sausage you must first start by splitting her biscuit.
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".