One runs there finger around the butthole of a horse collecting all the excess poop then slathering the feces on two buns creating the best culinary masterpiece, then insert your penis in this gooy mess until there's nothing left.
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".