From Longman Dictionary of Contemporary Englishknockoffknock‧off /ˈnɒkɒf $ ˈnɑːkɒːf/ noun [countable] American English informal COPYa cheap copy of something expensiveFrom Longman Business Dictionaryknockoffknock‧off /ˈnɒkɒfˈnɑːkɑːf/ (also knock-off) noun [countable] informal a cheap copy of something expensiveBeware of cheap knockoffs. —knockoff adjectiveknock-off designer jeans
