whacker

1. Do I do my hair with a weed whacker?
   我是不是用除草机给自己理发？
2. Of course, in the wrong hands, a weed whacker can do damage like any other power tool.
   当然，如果使用不当，weedwhackers割草机也会像其他电动工具一样造成损害。

noun

1. something especially big or impressive of its kind

   Synonym:    whopper