Related Clues:

• "That's incredible!"
• ''Psst!''
• ''Stop, Silver!''
• Hold-your-horses command
• Alternative to 'Yo!'
• Cry before 'Get your hands off!'
• __ you!
• Attention getter?
• Beatles' word to Jude
• 'You, over there!'
• Restraining order
• 'Greetings!'
• Command to a steed
• 'Listen up!'
• 'Gabba Gabba ___'