An employees (Someone who works in a cubical) approach or attitude toward others in the work place.
E.g. A high end developers ego is often inflated and lacks normal communication skills with others. This persons "cubeside manner" would be seen as poor due to the lack of empathy towards and ability to articulate a thought without seeming they are high and mighty.
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".