"Memory of the dance that none of them had attended shook all four boys convulsively. (160)" “[Ralph] could feel Piggy's head against his shoulder and the convulsive grip of a hand. (166)" a. To move with intentional violence or with the intent to intimidate b. Incontrollable muscular movement; contortion of the body caused by great shock or fright C. A light shudder or slight movement d. To lose all control of one's body functions​