Nuka is a term that can refer to various subjects, but it is often associated with the Nuka-Cola brand from the popular video game series Fallout. In this context, Nuka-Cola is a fictional soft drink that became a cultural icon within the game, known for its unique flavors and retro aesthetic. In a different context, "nuka" can also refer to a type of fermented rice drink in some cultures, particularly in Japan. This beverage is made from leftover rice and has a slightly sweet and tangy flavor, often enjoyed as a traditional drink during festivals and celebrations.