>https://hillsdalecollegian.com/2022/03/the-word-based-is-overused/#:~:text=Urban%20Dictionary%2C%20the%20recognized%20expert,not%20caring%20what%20others%20think.%E2%80%9D
>‘25 Garrett Goolsby said he remembers an older definition for the word. “I think the modern usage of the word is entirely incorrect in a historical sense, because it used to mean something entirely different,” Goolsby said.
>Specifically, according to Dictionary.com, “based” used to be synonymous with “crackhead”, until the rapper Lil B took matters into his own hands. “Based is a slang term that originally meant to be addicted to crack cocaine (or acting like you were), but was reclaimed by rapper Lil B for being yourself and not caring what others think of you,” the website says.
>https://en.wikipedia.org/wiki/Lil_B
>Brandon Christopher McCartney (born August 17, 1989),[1][2] professionally known as Lil B and as his alter ego The BasedGod,
>Labels: BasedWorld, ...
Based comes from the mainstream.