Possible Clues:

• Hopeless
• Hopeless rep, teased unfairly
• Mad speed - speed that's utterly reckless
• Like Dan Dare, steep tumble down
• Reckless squadron leader in repeated scramble
• Hopeless; extremely bad
• Need repast abroad? Avoid rump of stallion in a stew
• Rash itching
• Lousy nuts deter apes
• Critical of small boy before gym class