noun, verb, mud⋅ded, mud⋅ding.| 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. |
| 5. | to cover, smear, or spatter with mud: to mud the walls of a hut. |
| 6. | to stir up the mud or sediment in: waders mudding the clear water. |
| 7. | to hide in or burrow into mud. |