The line comes from Mad Max: Fury Road, the 2015 post-apocalyptic action film directed by George Miller, where the fanatical War Boys treat death in battle as glory. Shouted with manic glee amid a desert chase, it quickly became one of the film's most quoted moments, spreading through reaction videos, edits, and meme pages that reuse it to hype up reckless or spectacular scenes. Its staying power comes from that contrast: a cheerful greeting delivered in the middle of total destruction, which still lands perfectly in short-form comedy.