Related Clues:

• "Giddyap!" obeyer
• One active in the heat?
• Speedy one in Rolls-Royce?
• Relay entrant
• See 20
• See 27
• See 13
• A gunrunner
• Winner in posh car, no slouch
• Young man inexperienced with a gun
• Animal put on dark work clothes, etc
• Smack the pony
• One could be champion in a good car
• One who get moving with King-Ace-King
• Well-shod, she (or he, perhaps) might be a winner