Related Clues:

• 'Yoo-hoo! Over here!'
• Interjection used to surreptitiously attract someone’s attention
• (Hey, buddy!)
• "Hey, you!," in a library
• Tap alternative
• "Hey," secretively
• "Over here!" in a library voice
• Sound from a note passer
• [Check this out!]
• "Hey, buddy"
• Whispered call for attention
• "You ... over there ..."
• "You! Look over here!"
• Attention-seeker in job wanting prizes ultimately for nothing
• Way later, I would add something to attract attention