This character is only used to describe biang-biang noodles, a speciality of Shaanxi, and was probably invented – it doesn’t appear in standard Chinese dictionaries. Another clue is that the videos showing how to write it vary in their stroke order:
I was recently introduced to the most complicated Chinese character – biang! It has 57 strokes! It is fun to try writing it, though quite hard to get it square and stable.