Related Clues:

• Planting dirt
• Stuff (oneself) with food
• Chip, maybe
• Render impure
• Terra farma?
• Spoil, as a view
• ___ Mustard
• Narrow canyon
• Put a scuff on, e.g.
• ___ del Plata (Argentine port)
• Spreadsheet feature: Abbr.
• Mustard's rank
• Gardener's dirt
• Spray graffiti on, say
• 'Striving to better, oft we ___ what's well': Shak.