Cats use their tails to communicate their emotions, and the meaning of tail wagging can vary depending on the situation. Here are some possible meanings of tail wagging in cats, according to the search results:

• Low flick: A quick back and forth action that indicates the cat is unhappy or scared.
• Slow swish: A slow movement that suggests the cat is slightly annoyed.
• Quick swish: A quick movement that can indicate playfulness.
• Quick twitch: A quick movement that suggests the cat is focused.
• Quiver: A trembling movement that indicates excitement.
• Wrapping tail: A tail that wraps around a person or object can indicate affection.
• Fluffed up tail: A tail that is fluffed up can indicate danger or feeling threatened.
• Sleep twitch: Some cats wag their tail while sleeping, which is likely due to dreaming.
• Waving tail while lying down: A waving tail while lying down can indicate pain.

Its important to note that tail wagging is just one aspect of a cats body language, and it should be interpreted in the context of the cats overall behavior and other cues. For example, a cat that is wagging its tail while being petted may be overstimulated and about to lash out, even if its also purring. On the other hand, a cat that wags its tail while approaching someone with a question mark-shaped tail is likely happy and friendly.