When you see someone doing something, and it looks really odd because they're doing it with their left hand. Common in sports such as volleyball, baseball, football, etc.
Can be used as a noun, verb, adjective, or adverb.
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".