Related Clues:

• It's created by breaking waves
• Move up and down like Robert
• Foam created by waves
• White foam of breaking waves
• Move up and down in water
• Old coin for Robert
• Short haircut for a shilling?
• Ride a wave
• What an interesting thing to have done in the steed around five!
• Either way, he might get cut short
• With the help of thin gum, a this could be the whatsit
• He used to be worth more than Penny
• It used to cost him little to get his head down
• Waves breaking on shore
• What buoys do