Japan came into today's game with South Africa with the worst record in the Rugby World Cup, on an 18-game losing streak in World Cups, and 44 point underdogs against two time champions South Africa.
It's a victory that should do wonders for the sport of rugby, especially in Japan where the next tournament will be held in 2019. But how much did it mean to them? Judging by the video, a whole heap.
Japan weren't the only team to shock rugby fans. On a smaller scale, Georgia pulled off a shock by beating Tonga. They were similarly delighted with their win: