Something that is too extreme to be measured. The Richter Scale is officially used for measuring earthquakes; anything above 7 is described as a major quake. Anything "off the Richter Scale" (or "Off the Richter") is therefore an extreme example.
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".