This sound is associated with the Shrek franchise, the animated movie series that became a huge online meme source in the 2000s and 2010s. Short Shrek voice lines spread widely through soundboards, remix videos and reaction edits because they are instantly recognizable even in very short clips. This goodbye line stays popular because it is simple, readable out of context and useful in many editing situations, especially for joke endings, abrupt exits and ironic sendoffs in short-form videos.