Origin of mudslinging
Examples from the Web for mudslinging
I believe this kind of mudslinging makes Clinton more, not less, likely to run.The Obama Scandals Are Desperate Measures by the GOP|Robert Shrum|May 17, 2013|DAILY BEAST
Without these anonymous assassins, candidates would have to do their own mudslinging—right up front for the voters to see.
And all that mudslinging came from the power players within the party.
Why death is used as yet another excuse for mudslinging and party rhetoric.