Related Clues:

• "What's the big idea?!"
• With 60-Down, song by 56-Across
• "___ Jude" (Beatles hit)
• Horse-stopping cry
• Steed-stopping shout
• You there
• "Stop," at the stables
• "Now hold on!"
• Command to a team
• ''Watch out!''
• "Hold it, horse!"
• Stallion stopper
• 'Now hold on!'
• "Slow down, boy"
• "Look over here!"