“Bi” (pronouce as BEE) means pussy or female genital. Chinese like to use it to refer to a unnamed people; similar to “guy”, “dude” used in slang. When “Niu” and “Bi” combined it means “someone awesome”. People also use “Niubi” as an adjective to discribe or express someone or something is great.
Niubilization means someone or someting is becoming excellent.
B: WOW, with his niubilization, he will get promote soon.