What is Cold Tail or Limber Tail Syndrome? The cold tail is a syndrome or injury occurring mostly in sporting or working dogs, such as Labs and Pointers. Cold tail syndrome is also known as: Limber tail Swimmer’s tail Cold water tail Broken tail Dead tail Happy tail Broken wag The tail just quits working! The injury or syndrome affects your dog’s tail. It becomes painful at or near the base.   What are the Symptoms? The symptoms of limber tail are: A very flaccid tail Holding the tail horizontally for approximately 10 cm, and then dropping vertically. More pronounced in