Possible Clues:

• Unsteady
• Unstable
• Apt to fall over
• Front of boat lifted, belly occasionally tremulous
• Doddery old bachelors originally living in outskirts of Whitby
• Far from firm
• Rickety
• About to collapse
• One may be thrown by an angry person lacking stability
• Swaying unsteadily, one may be thrown in temper