Related Clues:

• Move up and down
• Oscillate
• Be of two minds
• Nutcake
• Goofball
• Something to swing on a string
• Ma the musician
• Musical Ma
• Duncan product
• String toy
• Up-and-down toy
• Ma(n) with a bow
• It can go around the world
• Fluctuate repeatedly
• Need for ''walking the dog''