It is a culmination of breast sweat that drips down to the belly button and mixes with the button lint then slides down to the crevices between the thighs and vagina and pools in the asshole then is absorbed into the underwear.
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".