This weekend Auckland will host the biggest beer pong event in the southern hemisphere.
There will be 640 competitors all vying for the top prize of $10,000.
It started as an American frat house drinking game, now it's considered a sport which many people take very seriously.
However, it's not just youngsters taking part, with Kiwis aged in their 70s to 90s meeting twice a week to play at an Auckland's Selwyn Centre.
Seven Sharp's Carolyn Robinson went for a look as they played a more grown up version of "tea pong".
For the full story, watch the video above.