Related Clues:

• Sound after a pin prick, perhaps
• Angry cat sound
• Disapproving sound
• Flat sound?
• Cat's ''Back off!''
• Sign of hostility
• Icicle former
• ___ coffee
• Punctured ball sound
• Sound from a mad cat
• Angry audience reaction
• Icicle starter
• Announce the villain's arrival
• Serpent's warning
• Lottery-running org.