Related Clues:

• Ergot
• Smutty matter
• Obscenity that turns stomachs
• Mildly obscene remarks
• Flake of soot is not nice
• Must edit filth!
• Fungal disease of cereals
• South African leader has no end of blue material
• Hentai, e.g
• YouTube no-no
• Bluenose's anathema
• Sanitization target
• "Adult" reading material
• Manhub.com content, e.g
• What some banned books contain, according to the banners