A small, portable, convenient, chainsaw shaped like a dagger, or knife. It could also be represented in text form commonly used to threaten, or give off the affect that you will come for them. Heather Chandler (from Heathers) formally uses the Chainknife quite often for "personal use".
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".