whacker

基本解释

Do I do my hair with a weed whacker?
我是不是用除草机给自己理发？
chazidian.com
Spend a bit of time going around the fence, flower beds and pathways with a weed whacker (or yes a pair of scissors) and finish the job.
然后花点时间，拿把修剪刀(是的，就是把剪子)到篱笆、花坛、小径四处走走，完成这项工作。
Bruce Shapiro got me to design and build the UBW (USB Bit Whacker) project to solve his problem of disappearing parallel ports on computers.
Bruce Shapiro找我来搞了个UBW项目（使用USB接口的驱动板），以解决他电脑上没有并行接口的问题。

It was the tou—the wide, well-honed, flat-edged whacker of a knife that Chinese cooks used for everything from butchering to dicing and fine slicing—and the chopstick, which, in the Song era, came into common use.
NEWYORKER: A Fork of One’s Own
It is to rein in government spending and to lower taxes, for taking a weed whacker to excessive regulation and mandates, for putting a stop to tort windfalls and to stand up to the tyrannosaurus appetite of government unions!
NPR: Transcript: Mitt Romney At The RNC