[mud] n [ME mudde, prob. fr. MLG] (14c) 1: a slimy sticky mixture of solid material with a liquid and esp. water; esp: soft wet earth
2: abusive and malicious remarks or charges "political campaigners slinging ~ at each other"
3: anathema 1b--usu. used in the phrase one's name is mud
[2]mud vt mud.ded ; mud.ding (1593) 1: to make muddy or turbid
2: to treat or plaster with mud