What does this tail shake say? : r cats Why Do Cats Wag Their Tails? What does it mean when a cat's tail vibrates? Why does my cat shake its tail like this? : r cats Your cat's tail is talking are you listening? From flicks of frustration to swishes of overstimulation, tails can reveal so much about how your cat is feeling. #cats #catbehavior #bodylanguage she always vibrates her tail at this exact spot very.. confused?? anyone else experienced this? : r cats