間まの抜ぬけた

expression, noun-modifying (irregular)

stupid; idiotic; boneheaded

Prenominal phrase describing a person or action as foolish, slow-witted, or lacking common sense. Often used in a mildly insulting or exasperated tone.

• 間まの抜ぬけた質しつ問もんをするな。

  Don't ask such a stupid question.

• 彼かれは間まの抜ぬけた顔かおで立たっていた。

  He stood there with a vacant look on his face.