Related Clues:

• Petty Officer with navy blue material
• Lewdness that turns stomachs
• Ear's in, ear out - lovely stuff!
• Obscenity makes stomachs turn
• Point to virtually dumb filth
• About time symphony was produced as 17's work
• Obscenity's black spot
• Seafarers on waterway found on top shelf
• Archbishop or nobleman partial to unchristian genre
• Endless creation, perhaps, of porn
• It's intended to arouse an extreme of passion
• Corporations up for filth
• Material that's stimulating damaged ear — outside of the ear
• Obscene talk
• Sexual literature