1 An old man with problems you don't want to know about.
2 My dad..... No names mentioned
3 A woman with serious problems who thinks she's a man.
4 Any one (male) who has problems or appears to have some kind of brain disorder
The weirdo man across the street picked up the paper from outside and stuck it in his pants.
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".