Cat's Tongues are apparently a somewhat standard type of European chocolate treat. At least, I've found two examples of them. They sound a little gross in concept, but the packaging lets you know right away that no, they are cute, cute, CUTE! As you can see by this package, the chocolate pieces are indeed shaped like cat's tongues, sort of like gentle figure eights. As I recall, these ones were quite delicious.
Click here to see the other cute package.