The shout comes from Young Frankenstein, Mel Brooks's 1974 comedy, where Gene Wilder plays Dr. Frederick Frankenstein and cries out as his creature first stirs to life. The line itself echoes the original Frankenstein story, but this theatrical version became the one most people recognise from parodies and clips. Online, it spread as a meme sound for breakthrough moments, especially in gaming, DIY, and science edits, because the over-the-top delivery makes a small success feel like a mad-scientist triumph.