The clip is named for SMii7Y, the Canadian gaming YouTuber whose highly edited gameplay videos helped popularise short cartoon effects for throws and launches. Rather than a line of dialogue, this is a reusable editing staple that spread as other creators copied the timing and style of those edits. Its sub-second length makes it easy to drop onto gameplay, animations and memes without covering speech. It remains popular because the fling is instantly understood, works at any volume under commentary, and signals comedy before the visual payoff lands.