Its how you describe to someone that you are absolutely flat on your back from influenza or a cold and unable to even stand up todo the most menial tasks in life like going to the bathroom or eating
Bill: I heard that you have the flu, how are you feeling?
Tom: Well Bill , I happen to feel like Run Over Rubber Dog Shit, its absolutely terrible
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".