A ravioli bitch is a person who you are close to, a friend, that did something stupid. It should be the thing that you wouldnt like, but you love that person regardless. (A popular phrase used in reject kids)(usually said in a high, scratchy Voice)
*friend throws a pillow at you*
Friend- take that hoe!
Me-*gets hit with a pillow, it lands on your lap* You ravioli bitch