This is an abbrevation for a Hokkien(Chinese dialect) foul term used widely in Malaysia, Singapore, Taiwan and by those who can communicate in that dialect. Kan Ni Na Bueh Chao Chee Bye generally means fuck your mother's smelly pussy
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".