Related Clues:

• Horse-stopping shout
• "Not so fast!"
• "That's incredible!"
• ''Stop, Silver!''
• "Gee whiz!"
• Hold-your-horses command
• Restraining order
• Command to a steed
• Word of caution
• ''That's amazing!''
• Oater ''halt!''
• “Groovy, man!”
• "Gee, that's amazing!"
• ''Hold up!''
• "Holy moly!"