A pugilist's weapon is a FIST, which is a four-letter word. A balled up FIST is also a common weapon used by pugilists, which is a twelve-letter word. Pugilism is a form of combat sport that involves two participants engaging in unarmed combat. The main weapons used in this sport are the fists, and the goal is to land punches on the opponent. Balled up fists are often used to increase the power of the punch.