# laughing sickness

> English word · Noun

## Definitions
1. The disease kuru.

## Etymology
So called because some patients displayed risus sardonicus as a symptom.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/laughing-sickness