A stuck-up, snobbish person on the opposite end of the spectrum as white trash who rambles on about going green and saving the environment and lives their life to that extent.
Co-worker 1: I just got a sweet new stereo system for my TV. I can't wait to try it out!
Co-worker 2: All that electricity use is killing our environment. You should think about installing solar panels like I did. Also, did you ever start that compost pile like I suggested?
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".