1. An individual who thinks they are better than everybody else. Essentially, a prick.
2. An individual who suddenly becomes braver than they normally are. Essentially, a pussy
Billy: Oh hey, do you fancy doing a skydive for charity?
Tilly: Ooh, look at BillyBig Bollocks.
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".