Related Clues:

• Slow-moving bay, say
• Trouble concealed by espionage
• Do needling
• When repeated, spouse's complaint
• Old gray mare, perhaps
• What agent does when you blow a deadline
• Ask 'Can I?' repeatedly, say
• Pester with a honey do list
• Hound and pester
• Track runner, to a tout
• Ride hard
• Worn out horse
• Bother nonstop
• Badger repeatedly
• Hound about trivial things