Related Clues:

• Betrayed a slow leak
• Made sound of disapproval
• Expressed disapproval over and over in the sack
• Greeted a bully
• "Cheered" for the villain
• The man's offspring half-heartedly expressed disapproval
• Not exactly welcomed by a crowd
• Hurried to scoff sausages with no meat, sizzled
• Expressed displeasure, as for an opposing team
• Sounded snaky
• Like umpires, sometimes
• Spoke menacingly
• Made a snakelike sound
• Jeered from the bleachers
• Wasn't cheer-ful?