rotters

英 [ˈrɒtəz]

美 [ˈrɑtərz]

n.  无赖; 恶棍
rotter的复数

柯林斯词典

• 无赖;坏蛋;流氓;恶棍
  If you call someone arotter, you are criticizing them because you think that they have behaved in a very unkind or mean way.