Related Clues:

• Sidelines cheer
• 'May I interrupt?'
• 'Hey, over here!'
• L.A. hrs.
• Word of greeting
• Tripled, Yogi Bear's catchphrase
• 'If I may interrupt, ...'
• California hrs.
• "Hey there!"
• Furtive "Hey!"
• "Yo!"
• Loud call
• React to a ghost
• "Watch it!"
• "Over here," quietly