learned fool; book smart but lacking common sense
A mildly derogatory term for someone highly educated or academically intelligent but impractical, socially inept, or lacking real-world judgment.
He's a learned fool who can't even do simple housework.
I want to gain more real-world experience so I won't be called a book-smart fool.
勉強の虫 is a bookworm, someone who studies excessively, but not necessarily lacking common sense. 学者バカ specifically implies impracticality despite academic knowledge.
知識偏重 refers to an overemphasis on knowledge, often in education, while 学者バカ describes a person who embodies that trait.
Common spelling using katakana for バカ.
Kanji spelling for バカ; less common but still used.
Compound of 学者 (scholar) and バカ (fool). The exact origin is uncertain, but it likely arose as a colloquial label for academics perceived as impractical.