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1. Short for crazy psycho bitch. A girl who is the essence of crazy, psycho, and bitch all in one.
person one: That girl is like crazy.
person two: She's freaking psycho.
person three:Not to mention how big a bitch she is.
person four: She's a certified CPB.
by reneworleans January 15, 2009
crazy psycho bitch
dude that girl just set her boy friends car on fire...what a c.p.b
by sayyeah! January 27, 2011