I heard that psycho-bitch is from the Pizzle.
Pronunciation Key (p!-zle)
(N)1. A good looking female.
(V)2. To get to know or politic with a member of the other sex (or in some cases, the same sex).
(V)3. To lead away from duty, accepted principles, or proper conduct.
(V)4. To induce to engage in sexual conduct.
(V)5. To win over; attract.