Related Clues:

• Deserving an X rating, perhaps
• Deserving an R rating, perhaps
• Designed to arouse desire
• Not at all family-friendly
• Like 'Fifty Shades of Grey'
• Like "Fifty Shades of Grey"
• Smuttily offensive
• Not suitable for children
• A little naughty
• Monarch is quite losing it, appearing almost rude
• Bawdy king is with queen, English
• Risque or titillating
• Deserving an X rating
• More than risqué
• Sexy books written in Morecambe?