A womans inate ability to take a subject or idea and then through her voodoo magic, turn that subject/idea into something totally different. Many Men find problems with this when trying to converse with women or when trying to watch a good show on TV. When Psycho bitchinesis comes into affect; A talk about ones desired place to eat that night may turn into a talk about why the toilet seat was left up or why you didn't say "I Love you" Last night before you went to bed.
Woman during Psycho Bitchinesis: Ok Walter but first off, Why the hell haven't you sent my mother a thank you card for last years christmas present. You know what your a lazy bastard, and if you leave that toilet seat up one more time I might actually stab you while you sleep!
Man (terrified beyond comprehension): Ummmm......I Love You????? Do you want my Credit card???
Two gorgeous, vuluptious, enticing, supple, large, tantalizing, delicious, mouth-watering, makes you do nothing but want to squeeze them over and over and over and over again breasts. The reason that the term motorboating came to be.
Matt: Wow, did you see the bitchners on that chick?
Hoffman: Yeah, I might schoon later to the thought of them