Related Clues:

• Caudal motion
• Show worry, in a way
• Show worry in the waiting room
• Expectant father's walk
• Wear out the carpet
• Eight minutes/mile in a marathon is a good one
• Emulate an expectant father
• What a tongue or tail may do
• Tongue motion
• Move like a hound's tail
• Walk worriedly
• The wit to move the tail
• Move briskly to and fro
• Speed of a step?
• Move briskly like dog's tail