"Tom put his mouth to the crack and began singing into it in a low voice. They could not catch the words, but evidently Merry was aroused." (J. R. R. Tolkien, The Fellowship of the Ring)
"We went back to his and tried a bit of The Tom Bombadil, but he didn't really have the voice for it. I prefer tenors..."
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".