Related Clues:

• Blue material?
• Skin flicks and such
• Corn problem
• Blue matter
• Moralist's target
• Grain bane
• Flue find
• Headache for a grain farmer
• Contents of some plain brown wrappers
• Cereal eater?
• Tom Lehrer song
• Rye fungus
• It eats cereal
• Obscene material
• Dirty literature