An abrupt shaking of the head, which causes the ears to flap sharply and dust to fly and is a sign of an individual's annoyance with or disapproval of an individual or circumstance. Head-Shaking usually starts with the head twisted to one side and then is rapidly rotated from side to side. The ears slap against the side of the face or neck making a loud smacking sound. (8a) Can be used as a threat to other elephants and to predators as well as in play to feign annoyance (8b see Play).