A reference to Season 1: Episode 9 of Sealab 2021. Murphy is trapped under an evil "Bebop Cola" vending machine. The soda he selected was called Minugs Dew, which probably references the American Jazz artist, Charles Minugs.
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".