Related Clues:

• Affirmation of a sort
• Hey, the quiet way
• One-eyed flirtation
• Sleepytime land
• Indicate assent
• Show agreement silently
• Nonverbal agreement
• Start of a whispered comment
• "Hey!" in class
• Cry for attention?
• Sibilant attention getter
• Low-key 'Hey!'
• ''Hey, this way!''
• Gesture of agreement
• Wink's partner