The line comes from Attack on Titan, the anime adaptation of Hajime Isayama's manga, during Commander Erwin Smith's final charge speech to the Survey Corps. Erwin urges his soldiers to rage against the Titans rather than accept death quietly, turning fear into one last advance. Clips of the speech spread widely through anime edits, YouTube compilations and short form video, where the isolated shout became shorthand for reckless determination. It remains popular because the performance captures a leader choosing meaning over survival.