| Type | ground |
| Category | Special |
| Power | 20 |
| Accuracy | 100 |
| PP | 10 |
| Introduced | Generation 2 |
Mud-Slap deals damage and lowers the target's Accuracy by one stage.
Stats can be lowered to a minimum of -6 stages each. Pokémon with the abilities Keen Eye, Clear Body or White Smoke cannot have their accuracy reduced.
When a Pokémon is holding Groundium Z and uses its Z-Power, Mud-Slap turns into Tectonic Rage and has base power 100.
| Gold Silver Crystal | Reduces the foe’s accuracy. |
| Ruby Sapphire Emerald | Hurls mud in the foe’s face to reduce its accuracy. |
| FireRed LeafGreen | Mud is hurled in the foe’s face to inflict damage and lower its accuracy. |
| Diamond Pearl Platinum HeartGold SoulSilver | The user hurls mud in the foe’s face to inflict damage and lower its accuracy. |
| Black White Black 2 White 2 | The user hurls mud in the target’s face to inflict damage and lower its accuracy. |
| X Y O.Ruby A.Sapphire | The user hurls mud in the target’s face to inflict damage and lower its accuracy. |
| Sun Moon Ultra Sun Ultra Moon | The user hurls mud in the target’s face to inflict damage and lower its accuracy. |
| Sword Shield B.Diamond S.Pearl | The user hurls mud in the target’s face to inflict damage and lower its accuracy. |
| English | Mud-Slap |
|---|---|
| Spanish | Bofetón Lodo |
| Italian | Fangosberla |
| Japanese | どろかけ (Dorokake) |
| German | Lehmschelle |
| French | Coud'Boue |