1.   At work they chase their tails, as Neil says.

2.   Horses kept in small yards by themselves develop repetitive patterns of abnormal behaviour, such as whirling in circles and chasing their tails.

3.   The rest of the squadron was still below, plunging and climbing and chasing its tail.

4.   And underneath the frosting lies a collection of skewed little art-alt-country songs that chase their tails more often than they deliver on their promise.

5.   But Powell has chased Lewis in the Olympics for years and always wound up as frustrated as a dog chasing his tail.

6.   Dogs will chase their tails, chase shadows, leap into the air at imaginary insects, gnaw on furniture.

7.   He felt like a hamster trying to chase his tail until he decided to free himself from that by playing with reckless abandon this season.

8.   He once had to euthanize a bull terrier named Teddy when nothing would stop the dog from frantically chasing its tail.

9.   He wanted the congressional cat to start chasing its tail.