Related Clues:

• ''Hey, pal''
• "Ahem" cousin
• "Go ahead" signal
• Nonverbal assent
• Indication of a green light
• Sort of summons
• "Hey, buddy, over here!"
• Acknowledge silently
• 'Hey ... kid ...'
• Soft ''Hey, you!''
• Use your head positively?
• Wordless OK
• Wynken and Blynken's companion
• Why isn't one done?
• "Hey! Over here!"