Related Clues:

• What a filthy, cruel ulcer! And all for money
• Said to be filthy, could be cruel
• "Oh, shoot!"
• Cleaning challenge
• 'Filthy' gain
• Disgusting buildup
• Profit from placing bait around the sea, say
• Disgusting stuff
• Old machinery coating
• Largely unrefined filth
• Hercules? He's off to raise the dough
• Money is a bait that takes many in
• Sinister cult has locked up its riches
• It's filthy to entice without a small coin
• Dirt, say, swirling round edge