The line comes from Don't Hug Me I'm Scared, the surreal British puppet web series that began on YouTube in 2011 and became known for turning cheerful children's television formats into unsettling comedy. Its short, quotable lines circulated widely as clips and reaction sounds, especially among fans who recognised the show's deadpan teaching style. The green remark endures because it is easy to lift out of context and apply to any debate about taste, rules or creativity, keeping it useful long after the original episode.