As a Noun: 1. A confrontation between two or more people in which they try to hurt each other physically, especially by hitting each other with closed fists. English = fight, fistfight. As a Verb or Adjective: 1. Of people, to try to hurt each other physically, especially by hitting each other with closed fists. English = fight, fight with fists. 2. To agitate and lobby for something in a way that involves political struggle and confrontation.