Wow, that's a great site, thanks!Originally Posted by urbantigers
I think it just means that she's happy and contentJaffa walks around with his tail vertical almost all the time, and I think when they carry it over their body like your cat seems to be doing, that's just a variation.
There are some pictures of tail posture here with explanations of what they mean - scroll down the page a bit
http://www.messybeast.com/cat_talk2.htm