Definition: Mud-slinging is a political term that refers to the act of spreading misinformation or propaganda about a particular issue, often in order to gain support or influence. It involves spreading false information or lies about someone else's position and actions in an effort to undermine their reputation or credibility. The term originated from the use of mudslingers in politics, who would spread negative news stories about politicians or other political figures in order to damage their reputations or influence their votes.