When masturbating, a guy might ejaculate into his own belly button. Thus giving clean-up a very great obstacle. (Mostly for someone with an inny) Once you think you have gotten all of the semen out of your bellybutton, you reach a little farther, only to discover there is much much more “belly nut”.
Dude, I nutted into my belly buttonlast night and it took me forever to get it all out. My belly nut was so far in there!
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".