Related Clues:

• Unwashed food put aside
• Dirty, or infested with larva
• Food alongside, filthy
• Dirty food taken by boy in extremis
• Food at times needing cleaning
• Sordid Greek partner, according to a Cockney?
• Covered in filth
• Dirty like a maggot?
• Possibly greasy food in reserve
• Like food perhaps that's unhygienic