This is when you take a shit and you are super constipated and it is really hard to come out. In the end, it is just a few little pebble sized nuggets. Hence, "Pebble Beach" it is a touch golf course and it is named after pebble's.
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".