Related Clues:

• Regular payments low but rising, showing enthusiasm
• Love having no speed at all? It brings zing!
• Personal magnetism low around outskirts of Plymouth
• Gauge speed and energy
• Bedroom philanderer's source of sex appeal
• Vitality shown by The Bedroom Philosopher
• Go over zero miles per hour?
• Extra somethin'-somethin'
• Vitality — sex appeal (informal)
• Energetic extra
• Power specs and speed
• Expression of surprise about politician's enthusiasm
• Energetic quality, informally
• Enthusiasm, informally
• Sex appeal? A ton, when topless