If a cat flaps its tail very hard, it usually means that it is unhappy. For example, when parents touch the cat's belly, their tail will slap the floor hard. If a cat's tail is wagging from side to side and flapping very gently, it usually means that he is in a happy mood at this time.

Tips:

Many of cats’ emotions are expressed through their tails. Cat parents can learn more about this aspect to facilitate communication with cats.