It is simply the opposite of being hung like a gerbil. A man with small genitals. But if he says it about himself he is a confident man who hits the G-spot everytime.
I am hung like a bullgerbil, i hit the g-spot everytime.
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".