From the Super Mario Wiki, the Mario encyclopedia
In the episode, "The Big Chill-Out", Diddy Kong throws a snowball created from ice in Cranky's fridge at Donkey Kong. The ice lands in half of a coconut that Donkey Kong is holding. When Donkey Kong drinks the creation, he finds it very delicious. The two monkeys then start to sell Coconut Chills at Cranky's treehouse, and the business turns out to be a big success.
Realizing how much money he could make out of the drinks, Bluster Kong takes advantage of this and has Donkey and Diddy agree to work with him on the Coconut Chill project. Soon after, the drinks are mass produced, but Donkey Kong and Diddy Kong become tired of it after working so much.
After getting his hands on one, King K. Rool decides to analyze the ingredients of the Coconut Chills so that he can make his own. However, the plan goes awry when Klump fails to. Using his new "K. Rool Coconut Chill and Back Missile," the king obtains a shipment of Coconut Chills, but his minions charge after the shipment to get one for themselves. At the end of the episode, Bluster's mom orders him to stop the business because of a cold spell that suddenly appears, and the Kremlings are freezing because of the large amount of Coconut Chills they drank.