The sound comes from Dragon Ball Z, the anime continuation of Akira Toriyama's Dragon Ball, where Saiyan fighters such as Goku and Broly transform into Super Saiyan form to gain a huge surge in strength. The transformation sequence, with its roaring aura and rising music, became one of the series' most copied moments, and fans later ripped and shared short clips of it on soundboards, YouTube edits and social videos. It remains popular because it instantly tells viewers that an ordinary moment is about to become overpowered.