Related Clues:

• Furtive utterance
• Companion of Wynken and Blynken
• Sound made with a cupped hand
• Cain's destination
• Whither Cain fled
• Wynken and Blynken's pal
• “Hey, over here!”
• Bobblehead movement
• "Hey you, c'mere!"
• Sound that will get your attention
• "Don't tell anyone, but . . ."
• "Hey, you there!"
• 'Wynken, Blynken and --'
• Wordless acknowledgment
• Secretive sound