尻子玉
し
り
こ
だ
ま
Meanings
1
mythical anal ball sought by kappa
In Japanese folklore, a mythical ball believed to reside inside the anus; kappa are said to try to extract it, often drowning victims in the process. The term is primarily encountered in folk tales and discussions of yōkai.
See also: 河童
There is a story that kappa try to pull out the shirikodama from humans.