An extremely psycho fucking girl. A Yuying is a guy in a woman's body. She tends to attack people because she is a beast. She also tends to talk like a fucktard and whenever people see her; they either laugh uncontrollibly or get heart attacks. A Yuying is a honger that acts "cool".
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".