Taco BellStress Disorder. a disorder that only Taco Bell employees have. When you see XLG on a license plate, you think of the drink size. When you greet someone with "Hi, welcome to Taco Bell. My name's _____. How are you doing tonight?" it means you have TBSD.
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".