From sona pona, the Toki Pona wiki

originally defined the word yupekosi as:[1]

  1. jan Sonja [@sonjalang]. (4 November 2019). [Message posted in the #toki-pona channel in the ma pona pi toki pona Discord server]. Discord. Retrieved 5 December 2023. "yupekosi means "to behave like George Lucas and revise your old creative works and actually make them worse"".