教おしえ魔ま

noun

unsolicited explainer; know-it-all who lectures others

Colloquial, mildly derogatory term for someone who eagerly explains or teaches things without being asked, often seen as annoying.

• 彼かれはすぐに教おしえ魔まになるから、質しつ問もんしにくい。

  He quickly turns into an unsolicited explainer, so it's hard to ask him questions.

• 飲のみ会かいで隣となりの席せきの人ひとが教おしえ魔まで、ずっと話はなしを聞きかされた。

  At the drinking party, the person next to me was a know-it-all lecturer and I had to listen to him talk the whole time.