讨厌雪碧因为它透心凉

The literal meaning is: “I hate Sprite for its cool, fresh taste”. Sprite is known to have an extremely refreshing and ice-cooling effect after drinking. But expressing disliking towards it might be because when feeling sad or distressed, people may find everything that seems positive, such as a cool drink, unbearable - especially since Sprite tastes so icy that it adds an extra physical dimension of chill on top of their inner depression and pain, creating more of a discomfort or irritability. Could also refer to a person preferring sweet drinks over refreshing ones. Overall, expressing displeasure through sarcasm