I don’t know this guy that lives in Taiwan and has a Blog but this is his claim.
“the eye-catching now-famous 5-letter literary buzzword was created in a nation known more for its noodles and potstickers than its literary culture”
“It was created by a retired newspaper man noodling around one day with his pen and a piece of paper at a sidewalk noodle shop in a small rural town in the southern part of the island”