To double up on beverages, usually alcoholic. When one is double parked, the subject will have both drinks in front of them, and will either alternate between them or store one for later. This tactic is often used to minimize trips to the bar. Not to be confused withdouble fisting, which is entirely misleading.
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".