The line comes from Bender, the foul-mouthed robot in Futurama, the animated television series created by Matt Groening that debuted in 1999. "Bite my shiny metal ass" became one of the character's best-known catchphrases and spread widely through TV quotes, GIFs and meme compilations. Online, the sound is still popular because it is brief, quotable and instantly communicates defiance. Creators use it in reaction edits, argument clips and nostalgic cartoon posts where a blunt punchline fits better than a longer speech.