泥どろ棒ぼう削けずり

noun, noun or participle which takes 'suru'

pencil sharpened at both ends; sharpening a pencil at both ends

Refers to the wasteful practice of sharpening both ends of a pencil, often associated with poverty or stinginess. The term is a play on 貧乏削り (びんぼうけずり), which has a similar meaning.

See also: 貧乏削り (びんぼうけずり)

• 子こ供どもの頃ころ、泥どろ棒ぼう削けずりをしてよく親おやに叱しかられた。

  When I was a child, I often got scolded by my parents for sharpening my pencil at both ends.

• 貧びん乏ぼう削けずりとも言いうが、泥どろ棒ぼう削けずりという言いい方かたもある。

  It's also called 貧乏削り, but there's also the expression 泥棒削り.