出だしっぱなし

noun

leaving something out; leaving something on

Describes the state of having taken something out or turned something on and then leaving it that way, often with a nuance of carelessness or neglect. Commonly used as 出しっぱなしにする or 出しっぱなしだ.

• おもちゃを出だしっぱなしにしないで片かた付づけなさい。

  Don't leave your toys out; put them away.

• 本ほんを出だしっぱなしで寝ねてしまった。

  I fell asleep with the book left out.