Acronym of the chinese pronunciation keys : Cao Ni Ma Bi pronounced in English ( tsou! nee ma bee)
Literally translates to "fuck your mom's vagina", this is the chinese equivalent of "you motherfucker"
Guy A: Dude, who was that hot asian chick at the party? we hooked up last night
Guy B: Cao ni ma bi! that's my sister!
In Mandarin (Chinese for you ignorants) means "fuck your mom" word for word. Very commonly used, Cao can be used as a stand-alone word for fuck. Cao ni ma is most commonly used in Beijing taxis to aid one in reachign their destination.
"Cao ni ma de bi, yi zhi zou, sha bi" -fuck your mother's cunt, go straight you dumb cunt