A weapon used by the Australian natives, consisting of a piece of flat curved hard wood, which, when thrown by the hand in a certain manner, makes a number of curves, and finally returns to the thrower.
飞去来器(澳洲土人所用之反投武器,以弯形坚木制成,投掷时成旋形,仍飞回投掷者)。
Hence, any plot or action the result of which recoils upon the maker to his disadvantage.