Related Clues:

• "Hey, over here"
• "Over here!"
• 'Hey ... over here!'
• Unspoken assent
• Verbal elbow in the ribs
• Pal of Wynken and Blynken
• Subdued attention getter
• Positive sign
• Furtive ''Hey, you!''
• Silent OK
• Silent agreement
• Sibilant summons
• ''Hey there''
• Alternative to 50-Across
• Head movement