Used to describe something that is even cooler than just plain bitchin'. Taking "bitchin'" a step further, if you will.
Some Kid: "Wow, you've got quite a bizitchin' CD collection, Megsi."
Me: "Yeah... I kinda have to, being the Secretary of Being Totally Awesome and all..."
first known popular use was on the television show "Ugly Betty" as used by Betty's sister, Hilda. It means the same thing as "bitch" but softens it a little while adding some zing.
a comment spontaneously uttered when entering an establishment where there is a fine looking young woman. A bastardization of bitch, beeyatch, etc.
pl. bizitches
the hotter the chicks at a given establishment the longer the word is stretched out
Hey Billy Jack, I got an awful case of bagitchitis.
Bagitchitis? What the hell is that, Jon?
Well, I haven't washed my nutsack for a few days and they're itchin' like a sonofabitch!