Mudslinging

[muhd-sling-ing] /ˈmʌdˌslɪŋ ɪŋ/

noun
1.
an attempt to discredit one’s competitor, opponent, etc., by malicious or scandalous attacks.
/ˈmʌdˌslɪŋɪŋ/
noun
1.
casting malicious slurs on an opponent, esp in politics

noun

The use of defamation, insinuation, etc, esp in politics; smear (1884+)

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