Related Clues:

• Cry in the dark?
• Show disapproval
• Jump causer
• A discouraging word
• Subj. of 60's protest
• Bronx cheer
• Induction grp.
• Sound of disapproval
• Ophidian sound
• King of song
• When repeated, an old-fashioned cry
• 'Bad!'
• Conscription org.
• Vent sound
• Viper's sound