Related Clues:

• Clay made up damaging introductions?
• Nasty campaign charges
• Rain's creation
• Kind of inedible pie
• Obloquy, in a way
• Stick-in-the-__
• Political insults, so to speak
• Metaphoric vilification
• A bad name for earthy particles mixed with water?
• Pie you don't eat
• Water + dirt
• Potent java
• "Slung" stuff
• Post-rain dirt
• It's slung in campaigns