Boing Boing

Boing Boing

“Open arse” — medieval Europe’s rotting fruit delicacy found in Roman toilet

Ellsworth Toohey
Oct 13, 2025
∙ Paid

Medlar fruits (Jana Milin/shutterstock.com)

A 2,000-year-old Roman toilet in Switzerland yielded an unexpected discovery: 19 large seeds from a fruit medieval Europe was obsessed with, but which has now vanished so completely that professional botanists often can’t identify it.

The medlar was politely named, but for 900 years it went by “open-arse“—a refe…

User's avatar

Continue reading this post for free, courtesy of Boing Boing.

Or purchase a paid subscription.
© 2026 Happy Mutants LLC · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture