Related Clues:

• It comes straight from the horse's mouth
• Equine comment
• Horse laugh?
• Stable outburst
• Stallion's sound
• Horse's sound
• Stable comment
• Stable utterance
• Horse call
• Sound heard at the track
• "No" vote from a horse?
• Cry of a horse
• Nag's outburst
• Sound by the bay
• Trigger-happy sound?