足あしを棒ぼうにする

expression, suru verb (irregular)

walk one's legs off; walk until one's legs feel like lead; walk to the point of exhaustion

Idiomatic expression describing extreme fatigue in the legs from walking a long distance. Often used in the form 足を棒にして.

• 一いち日にち中じゅう観かん光こうして足あしを棒ぼうにした。

  I walked my legs off sightseeing all day.

• 彼かれは足あしを棒ぼうにしてやっと目もく的てき地ちに着ついた。

  He finally reached his destination after walking until his legs felt like lead.