Of and pertaining to anything relating to a person who goes by the name "R.B." Since people going by that name are generally multi-talented and awesome, to call something "rbian" is to stamp it with approval and high praise.
"Jim is a finecook, what an rbian feast he has prepared!"
"I was not comfortable until I experienced some rbian guidance. Is anyone else sliding?"
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".