Noroma dolls as puppets:

A type of clown puppet that was performed between puppet performances during the Edo period. It is characterized by its flat head, bizarre appearance with a blue-black face, and comical gestures. 

Origin of the word "noroma":

It is said that the word "noroma" was born from the fact that a puppeteer named Noromatsu Kanbei of Edo manipulated such a puppet. 

Meaning of "noroma":

The word came from the image of the "noroma doll" in puppet theater, and came to be used to refer to people who are slow to move or think, or who are stupid. 

Sado's Noroma Dolls:

The Noroma Dolls, a puppet theater handed down on Sado Island in Niigata Prefecture, are designated as an Important Intangible Folk Cultural Property of Japan. They are characterized by light-hearted dialogue mixed with Sado dialect, and many of the performances are highly comedic.

"Slow Doll" performances:

Sado's "Slow Doll" features comedic plays such as "Cloth Storehouse," "Soba Field," and "Five-Wheel Buddha." The standard punchline is that the main character, Kinosuke, who always makes mistakes, is stripped of his kimono and urinates naked at the end, and there is also a legend that he is blessed with children.