Please watch the reference source: Shaanxi biangbiang noodles, one of China's top ten famous noodles, from 1 minute 36 seconds to 1 minute 52 seconds.
Biángbiang noodles or Biaobiao noodles: It is a traditional flavored noodle with special characteristics in Guanzhong, Shaanxi Province, and is a traditional Shaanxi trouser belt noodle. It is named because there are biang and biang sounds during the production process. Usually hand-stretched into long, thick noodles. It is made from fine flour, mixed with soy sauce, vinegar, monosodium glutamate, pepper and other condiments into the noodle soup, scooped in the noodles, and topped with hot vegetable oil to serve.
The origin of the name biang biang noodles: because the sound of biang biang is made when making this kind of noodles, biang biang noodles get their name. The word Biang cannot be found in the dictionary and is a made-up Chinese character. The order of writing strokes: first write the prefix of acupuncture point, then write unitary, yan, unitary, then write long, horse, long, write the moon on the left, next to the vertical knife on the right, the bottom of the bottom of the word heart, and finally write zhier.
Extended information
Shaanxi people all know "biang biang noodles", but because of the many strokes, many people can't write it. A 71-year-old man in Xianyang created his own simplified Chinese character "biang". The glyph is both vivid and appropriate.
The simplified "biang" character created by Guo Guangrong is a pictographic character, and its glyph cannot be found in traditional Chinese dictionaries. On the left side of the character is a handle, on the right is a hand, in the middle is a face character, and at the bottom is a horizontal line.
He introduced that this word came to me once when I was eating in a restaurant and saw the boss making noodles. There is a hand on each side, with the word "face" in the middle, and a horizontal line under the word "face", which means chopping board. A gesture of pulling noodles. As soon as the noodles hit the chopping board, a "biang" sound will be made.
CCTV.com - Shaanxi Biangbiang Noodles, China's Top Ten Famous Noodles
Baidu Encyclopedia - Biangbiang Noodles
Baidu Encyclopedia - biang (made-up Chinese characters)