Related Clues:

• Dirty gunk
• Dirt, for example, seen back round edge
• Dirt, dust, soot, etc
• Filthy buildup
• Money gained dishonourably
• (Filthy) profit
• 'Oh, fudge'
• A lot of good fortune about, leading to wealth
• Caked filth
• Caked-on buildup
• Ingrained dirt, dreadful by end of aisle
• Money is bait that takes many in
• It may be filthy
• Stubborn laundry dirt
• Ill-gotten money