Related Clues:

• Asp's greeting
• "Boo" follower
• [I can't believe you just stepped on my tail. Now back the fuck away.]
• Punctured-tire sound
• Unwelcome reception
• Awful sound to hear while riding in a hot air balloon
• Sound of water hitting a hot pan
• Sibilant threat
• Sound of displeasure
• *Let off some steam?
• Bacon frying sound
• Sound after a pop
• Bad sound to hear in rattlesnake country
• Sibilant sound of disapproval
• S-sound of disapproval