Related Clues:

• Take care of by needling
• Remind incessantly
• Remind many times
• Don’t bet on it
• Annoy continuously
• Old chestnut, maybe
• Incessantly bother
• Worn-out mount
• Dun horse?
• Ride, in a way
• Past-its-prime horse
• Pester and pester
• Pester nonstop
• Bug repeatedly
• Equine badger!