Related Clues:

• Soft "Hey you!"
• Subtle "yo!"
• ''I've got a secret!''
• ''Over here!'' whisper
• Whispered summons
• Kin of 'ahem'
• Sound before passing a note in class
• ''Hey, you!'' sound
• Sound from a nook, perhaps
• Attention-getter, in a theater
• Sound that gets attention
• Call that's whispered
• Sound from a cheater
• Whispered entreaty
• 'Hey you--over here!'