Related Clues:

• Beatles' word to Jude
• ''Your attention, please!''
• 'You, over there!'
• Cousin of ''psst!''
• Guttural interruption
• Attention-getting cough
• 'Greetings!'
• Throat-clearer's word
• 'Listen up!'
• 'Gabba Gabba ___'
• "I'd like to get a word in?"
• Polite way to interrupt someone
• Breezy greeting
• 'Ummm, hello?'
• ''Beg pardon''