棒ぼうに振ふる

expression, godan verb (-ru)

waste; throw away; ruin

Idiomatic expression meaning to squander or ruin something valuable, such as an opportunity, effort, or future, through one's own actions. Often used with nouns like チャンス, 人生, or 努力.

• たった一いち度どの失しっ敗ぱいで、これまでの努ど力りょくを棒ぼうに振ふってしまった。

  With just one mistake, I wasted all my efforts up to now.