Related Clues:

• Sound of a cat or engine
• Tabby talk
• Manx 'Thanks!'
• Engine noise
• Siamese sound
• Engine sound
• Persian output
• Copy cats?
• Sound of a fine-tuned engine
• Sound of satisfaction
• ''I'm happy'' in the Siamese?
• Catty comment
• Cat ''aah!''
• Sound of contentment
• Show pleasure