The line comes from Dragon Ball Z and became one of the most quoted anime moments online. In the scene, Vegeta reacts to Goku's power level reading with the now legendary shout. The phrase spread widely through forums, early video remixes and YouTube meme edits, then stayed popular because it is instantly understood even by many people who have never watched the series. It remains a go-to audio cue for exaggerated power, giant numbers and over-the-top reactions.