book bowel

Ellipsis of book bowel tendency and singular of book bowels; a tendency to experience bowel movements as a result of the Mariko Aoki phenomenon.

Meanings

nounbook bowel (plural book bowels)

plural book bowels

  1. abbreviationellipsisEllipsis of book bowel tendency and singular of book bowels; a tendency to experience bowel movements as a result of the Mariko Aoki phenomenon.

    I mean, you talk about "bookache." Persons with a history of experiencing Mariko Aoki phenomenon were described as having a book bowel tendency, a “book bowel.”

    2018, “Podiots: Episode 20 - Book Ache”, in Podiots
    5 more examples

    Is this only a Japanese phenomenon or is it an international issue ? Do book browsers in other nations experience the phenomenon ? Do library visitors suffer from “book bowel” ?

    2020, Brian D. Butler, “Bookstore Movements, or the Mariko Aoki Phenomenon”, in Travel Between the Pages

    "It's more common than people realize, and I think people are just embarrassed to talk about it," he says. "I've also heard it called called 'book bowels.' I think that name speaks for itself." We asked Dr. Islam what theories might help explain the strange phenomenon. ... For "book bowels" specifically, possible theories include the smell of paper or ink having a laxative effect, the nervousness that may arise from all of the books present...

    2021 March 8, Dr. Sameer Islam and Mike Darling, “A Doctor Explains Why Bookstores Make Some People Feel the Need to Poop”, in Men's Health

    It's unofficially called "Book Bowels" or the "Mariko Aoki phenomenon" and is a psychological issue where our brains trigger our body into a "fight or flight" reaction based on our history with similar environments.

    2021 May 10, @YMSRadio, “This Is Why Some People Feel The Need To Poop In A Bookstore”, in iHeart Z104.3 Baltimore

    As for what might cause ‘book bowels’, the gastroenterologist said: The intensity of the information that you encounter in museums and libraries—or the sudden quiet of a garden—can trigger an autonomic response in your gut.

    2022 May 7, Nevin Thompson, “Exploring the Mariko Aoki phenomenon: Do bookstores make you poop?”, in Global Voices

    TikTok users have been speaking about needing to poo whenever they are in a bookshop or, as it is known to some, ‘book bowels’. According to users, the sudden urge to poo happens to them as soon as they walk into bookshops or libraries...

    2023 August 4, Kelly, Sarah-Louise, “Why Bookshops Make You Need to Poo”, in Huffington Post
Cite this entry
APA

book bowel. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/book%20bowel

MLA

“book bowel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/book%20bowel. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “book bowel,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/book%20bowel.

Source: book bowel on Wiktionary, CC BY-SA 4.0.