Related Clues:

• Amount of this?
• Amount of throat trouble, by the sound of it
• Amount, perhaps? (anag, maybe )
• Just any amount of this?
• ____sense
• Derby entrant
• Track ride
• Act rowdily
• "Giddyap!" obeyer
• See 20
• See 27
• See 13
• Animal put on dark work clothes, etc
• Smack the pony
• Of course Nijinsky was one