トンデモ本ぼん

noun

outrageous book; absurd book; sensationalist book

A colloquial, often mocking term for a book that makes wild, unscientific, or absurd claims, typically in the realm of pseudoscience, conspiracy theories, or extreme revisionism. The term is strongly associated with the Japanese 'Tondemo-bon' genre critique.

• あの出しゅっ版ぱん社しゃはトンデモ本ぼんばかり出だしている。

  That publisher only puts out outrageous books.

• 彼かれの説せつはまるでトンデモ本ぼんの内ない容ようだ。

  His theory sounds like something out of a sensationalist book.