Definition from Wiktionary, the free dictionary
mudslinging (plural mudslingings)
- Casting aspersions with intent to discredit.
- The campaign degenerated into mutual mudslinging, each candidate trying to tarnish the other's repuation and looking bad in the process.
- An act of mudslinging.
- The mudslinging didn't help expand the media coverage of the issues; all that was reported was the mudslingings.
casting aspersions to discredit