Related Clues:

• Air raid alert
• Interruption
• 'Gimme a C...!' is one
• 'Hey, you!'
• 'Just hold everything!'
• 'Take your hands off me!'
• Protest in no uncertain terms
• ___ song
• Stadium sound
• 'Want to hear a secret?'
• Call to attention
• Whoop it up
• 'Um, excuse me'
• Vamp
• Throat-clearing sound