Possible Clues:

• If it's fine, win it, by the sound of it
• A way to say ''hello''
• Beatles' word to Jude
• Cry before 'Get your hands off!'
• Alternative to 'Yo!'
• ''Psst!''
• 'Get back here!'
• ''Just a cotton-pickin' minute!''
• ''Just a minute!''
• "What's the big idea?"