A Russian breakfast consists of milk and a snickers bar (or any chocolate bar of choice)
Russian and Ukrainian forced on the front line don't have much food or rations, so they resort to drinking milk with snickers bars to help sustain them in the trenches
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".