(idiom) defiant of the law and lacking any sense of morality; lawless; out of control; unruly

showing a complete disregard for laws, rules, or discipline; flouting authority

nothing can be done about it; to be at one's wits' end

defying the law and the principles of heaven; behaving with absolute disregard for authority or social order (punning on 'no hair' [wu fa] versus 'no law' [wu fa])