This sound comes from Eric Cartman, one of the main characters in South Park, the animated TV series created by Trey Parker and Matt Stone. Cartman's selfish, argumentative personality made lines like this spread widely in meme culture, reaction edits, and short comedy posts. People still use it because the quote is brief, recognizable, and easy to match with videos of defiance, pettiness, or mock rebellion. It remains a go-to Cartman reaction sound whenever someone refuses to listen and doubles down.