scrap·per I. \ˈskrapə(r)\noun (-s) Etymology:scrap (V) + -er : quarreler, fighter < strong-willed, persistent, and a scrapper through and through — advt. > especially: prizefighter II. noun (-s) Etymology:scrap (II) + -er 1.: one that disposes of scraps 2.: a worker who knocks off or pulls out the waste parts of scored cardboard box blanks — called also breaker