Related Clues:

• Show worry in the waiting room, maybe
• Walk like an expectant dad
• Exhibit anxiety, in a way
• Stride back and forth
• Walk nervously, as in a waiting room
• Rate of walking
• A sergeant might ask soldiers to pick it up
• A cadet might be asked to pick it up
• R.I.P. part
• Kind of car seen at Indy
• Double time, for one
• Runner's regularity?
• Wear out the waiting room carpet
• Work off nervous energy, in a way
• Distance covered in a step