—n. 1. wet, soft earth or earthy matter, as on the ground after rain, at the bottom of a pond, or along the banks of a river; mire.
2. Informal.scandalous or malicious assertions or information: The opposition threw a lot of mud at our candidate. 3. Slang.brewed coffee, esp. when strong or bitter.
4. a mixture of chemicals and other substances pumped into a drilling rig chiefly as a lubricant for the bit and shaft.
—v.t. 1. to cover, smear, or spatter with mud: to mud the walls of a hut. 2. to stir up the mud or sediment in: waders mudding the clear water.