One Safety Not Guaranteed YTMND was a fake movie trailer, which had Don LaFontaine reading off the lines. In 2012, the movie Safety Not Guaranteed was released, though without the silly meme.
Fan Nickname: Faggy Short Films for YTMNDs consisting of an animated gif that is meant to be synched up with the sound file that is playing. The name comes from user inkdrinker, who did not like any YTMNDs that did not follow the fundamentals of making a YTMND. Even people who enjoyed (and made) that type of YTMND began using the nickname eventually.