扒灰 Traditional form: 扒灰 Pinyin (reading): páhuī Definitions: incest between father-in-law and daughter-in-law Characters: 扒 - to scratch, to dig up; to crouch, to crawl 灰 - ashes; dust; lime, mortar Traditional characters: 扒 - to scratch, to dig up; to crouch, to crawl 灰 - ashes; dust; lime, mortar