411 REFERENCE · Wiktionary
Mariko Aoki phenomenon
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after a Japanese woman who wrote to a magazine about this tendency in 1985.
Noun
?
The common urge to defecate when entering a bookstore or library.
en book bowel tendency book bowels
en 2018-11-13 Podiots Podiots: Episode 20 - Book Ache https://podscripts.co/podcasts/podiots/podiots-episode-20-book-ache 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.” https://web.archive.org/web/20251205192843/https://podscripts.co/podcasts/podiots/podiots-episode-20-book-ache
See also
en gut-brain axis
Further reading
2021. Dr. Sameer Islam and Mike Darling. "A Doctor Explains Why Bookstores Make Some People Feel the Need to Poop". Men's Health.
2025. Toohey, Ellsworth. Why do bookstores make some people urgently need the bathroom? Boing Boing.
en Books Psychology Bodily functions Feces
en eponyms