Related Clues:

• Playground equipment
• Wind-up toys?
• Jerks
• Shows wild instability
• Ninnies
• Is wildly unstable
• Idiots
• They're used in walking the dog
• They can sleep while you watch
• Spinning toys
• Teeter-totters
• Goes up and down
• Alternates
• Boards with ups and downs
• Vacillates