From Longman Dictionary of Contemporary Englishpunchbagpunch‧bag /ˈpʌntʃbæɡ/ British English, punching bag American English noun [countable] 1 DSa heavy leather bag hung from a rope, that is punched for exercise or training2 a person who is hit, criticized strongly, or blamed, even though they have done nothing wrong a young wife whose husband used her as a punching bag
