Related Clues:

• Attack ad, maybe
• Slide specimen
• Sermon
• Malign
• Besmirch
• Slight on the stump, say
• Drag through the mud
• 'You deserve a break today,' e.g.
• Mirror marrer
• Promotional phrase
• Stump speech
• Campaign low blow
• Formal speech
• Underhanded campaign tactic
• Bad mark