diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 785625e32..00fb0ba27 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -7656,6 +7656,17 @@ BattleScript_BallFetch::
 	waitmessage B_WAIT_TIME_LONG
 	end3
 
+BattleScript_CudChewActivates::
+	pause B_WAIT_TIME_SHORTEST
+	call BattleScript_AbilityPopUp
+	setbyte sBERRY_OVERRIDE, 1 @ override the requirements for eating berries
+	consumeberry BS_TARGET, FALSE
+	orword gHitMarker, HITMARKER_SKIP_DMG_TRACK | HITMARKER_IGNORE_SUBSTITUTE | HITMARKER_PASSIVE_DAMAGE
+	healthbarupdate BS_ATTACKER
+	datahpupdate BS_ATTACKER
+	setbyte sBERRY_OVERRIDE, 0
+	end3
+
 BattleScript_TargetFormChange::
 	pause 5
 	copybyte gBattlerAbility, gBattlerTarget
diff --git a/include/battle.h b/include/battle.h
index 14037b72c..4b33062d3 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -104,6 +104,7 @@ struct DisableStruct
     u8 noRetreat:1;
     u8 tarShot:1;
     u8 octolock:1;
+    u8 cudChew:1;
 };
 
 struct ProtectStruct
diff --git a/include/battle_scripts.h b/include/battle_scripts.h
index 33138189b..13fa5a4a6 100644
--- a/include/battle_scripts.h
+++ b/include/battle_scripts.h
@@ -444,6 +444,7 @@ extern const u8 BattleScript_ProtosynthesisActivates[];
 extern const u8 BattleScript_QuarkDriveActivates[];
 extern const u8 BattleScript_GoodAsGoldActivates[];
 extern const u8 BattleScript_RuinAbilityActivates[];
+extern const u8 BattleScript_CudChewActivates[];
 
 // zmoves
 extern const u8 BattleScript_ZMoveActivateDamaging[];
diff --git a/src/battle_util.c b/src/battle_util.c
index 38504e1bb..7fdd63eb4 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -2696,6 +2696,7 @@ enum
     ENDTURN_THROAT_CHOP,
     ENDTURN_SLOW_START,
     ENDTURN_PLASMA_FISTS,
+    ENDTURN_CUD_CHEW,
     ENDTURN_BATTLER_COUNT
 };
 
@@ -3238,6 +3239,11 @@ u8 DoBattlerEndTurnEffects(void)
                 gStatuses4[i] &= ~STATUS4_PLASMA_FISTS;
             gBattleStruct->turnEffectsTracker++;
             break;
+        case ENDTURN_CUD_CHEW:
+            if (GetBattlerAbility(gActiveBattler) == ABILITY_CUD_CHEW && !gDisableStructs[gActiveBattler].cudChew && GetUsedHeldItem(gActiveBattler) != ITEM_NONE)
+                gDisableStructs[gActiveBattler].cudChew = TRUE;
+            gBattleStruct->turnEffectsTracker++;
+            break;
         case ENDTURN_BATTLER_COUNT:  // done
             gBattleStruct->turnEffectsTracker = 0;
             gBattleStruct->turnEffectsBattlerId++;
@@ -5154,6 +5160,15 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
                     effect++;
                 }
                 break;
+            case ABILITY_CUD_CHEW:
+                if (ItemId_GetPocket(GetUsedHeldItem(battler)) == POCKET_BERRIES && gDisableStructs[gActiveBattler].cudChew == TRUE)
+                {
+                    gLastUsedItem = gBattleStruct->usedHeldItems[battler][GetBattlerSide(battler)];
+                    gBattleStruct->usedHeldItems[battler][GetBattlerSide(battler)] = ITEM_NONE;
+                    BattleScriptPushCursorAndCallback(BattleScript_CudChewActivates);
+                    effect++;
+                }
+                break;
             }
         }
         break;