Related Clues:

• Nemeses
• Graffiti, abandoned buildings, etc.
• Sources of annoyance
• Ruinations
• Harmful things
• Sources of suffering
• Poisons
• Undoings
• Thorns in one's side
• Archenemies
• City blights
• Causes of distress
• Tacky lawn ornaments, e.g.
• Weedy lots, e.g.
• Slums, e.g.