Food Not Bombs is a network of autonomous chapters that serve free food indiscriminantly. Food Not Bombs groups recover vegetarian food that would otherwise go to waste and use it for a greater good.
When you're watching a modernised version of Macbeth in class but the kids only seem to care about the food so the teacher uses the phrase to tell them off.
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".