When a (male) person attaches a phallic object (typically a plant or a household item) to his groin area with the goal of simulating an obscenely large penis.
Jim entered the room and saw that his friend Tom was sitting there, playing Call of Duty. Jim too wanted to play but Tom didn't let him. Jim took a nearby elongated cactus and placed it between his legs, pointing at Tom.
Tom screamed: "Put my cactus down, I am so tired of your penile projections!"
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".