diff --git a/src/k_kart.c b/src/k_kart.c
index b9fff95ba..9b7fde1fe 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -3811,7 +3811,7 @@ static mobj_t *K_SpawnKartMissile(mobj_t *source, mobjtype_t type, angle_t an, I
 	y = source->y + source->momy + FixedMul(finalspeed, FINESINE(an>>ANGLETOFINESHIFT));
 	z = source->z; // spawn on the ground please
 
-	th = P_SpawnMobj(x, y, z, type);
+	th = P_SpawnMobj(x, y, z, type); // this will never return null because collision isn't processed here
 
 	K_FlipFromObject(th, source);
 
@@ -3830,7 +3830,10 @@ static mobj_t *K_SpawnKartMissile(mobj_t *source, mobjtype_t type, angle_t an, I
 	{
 		// floorz and ceilingz aren't properly set to account for FOFs and Polyobjects on spawn
 		// This should set it for FOFs
-		P_SetOrigin(th, th->x, th->y, th->z);
+		P_SetOrigin(th, th->x, th->y, th->z); // however, THIS can fuck up your day. just absolutely ruin you.
+		if (P_MobjWasRemoved(th))
+			return NULL;
+
 		// spawn on the ground if the player is on the ground
 		if (P_MobjFlip(source) < 0)
 		{
@@ -3898,7 +3901,7 @@ static mobj_t *K_SpawnKartMissile(mobj_t *source, mobjtype_t type, angle_t an, I
 		P_SetTarget(&throwmo->target, source);
 	}
 
-	return NULL;
+	return th;
 }
 
 UINT16 K_DriftSparkColor(player_t *player, INT32 charge)
@@ -4705,10 +4708,11 @@ mobj_t *K_ThrowKartItem(player_t *player, boolean missile, mobjtype_t mapthing,
 	{
 		if (mapthing == MT_BALLHOG) // Messy
 		{
+			mo = NULL; // can't return multiple projectiles
 			if (dir == -1)
 			{
 				// Shoot backward
-				mo = K_SpawnKartMissile(player->mo, mapthing, (player->mo->angle + ANGLE_180) - 0x06000000, 0, PROJSPEED/8);
+				K_SpawnKartMissile(player->mo, mapthing, (player->mo->angle + ANGLE_180) - 0x06000000, 0, PROJSPEED/8);
 				K_SpawnKartMissile(player->mo, mapthing, (player->mo->angle + ANGLE_180) - 0x03000000, 0, PROJSPEED/8);
 				K_SpawnKartMissile(player->mo, mapthing, player->mo->angle + ANGLE_180, 0, PROJSPEED/8);
 				K_SpawnKartMissile(player->mo, mapthing, (player->mo->angle + ANGLE_180) + 0x03000000, 0, PROJSPEED/8);
@@ -4717,7 +4721,7 @@ mobj_t *K_ThrowKartItem(player_t *player, boolean missile, mobjtype_t mapthing,
 			else
 			{
 				// Shoot forward
-				mo = K_SpawnKartMissile(player->mo, mapthing, player->mo->angle - 0x06000000, 0, PROJSPEED);
+				K_SpawnKartMissile(player->mo, mapthing, player->mo->angle - 0x06000000, 0, PROJSPEED);
 				K_SpawnKartMissile(player->mo, mapthing, player->mo->angle - 0x03000000, 0, PROJSPEED);
 				K_SpawnKartMissile(player->mo, mapthing, player->mo->angle, 0, PROJSPEED);
 				K_SpawnKartMissile(player->mo, mapthing, player->mo->angle + 0x03000000, 0, PROJSPEED);
@@ -5329,6 +5333,9 @@ void K_KillBananaChain(mobj_t *banana, mobj_t *inflictor, mobj_t *source)
 	mobj_t *cachenext;
 
 killnext:
+	if (P_MobjWasRemoved(banana))
+		return;
+
 	cachenext = banana->hnext;
 
 	if (banana->health)
diff --git a/src/p_map.c b/src/p_map.c
index fb79b6677..a0f4e3cfe 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -3496,6 +3496,9 @@ void P_SlideMove(mobj_t *mo)
 	vertex_t v1, v2; // fake vertexes
 	line_t junk; // fake linedef
 
+	if (P_MobjWasRemoved(mo))
+		return;
+
 	if (tmhitthing && mo->z + mo->height > tmhitthing->z && mo->z < tmhitthing->z + tmhitthing->height)
 	{
 		// Don't mess with your momentum if it's a pushable object. Pushables do their own crazy things already.
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 33de100be..ab6b30655 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -1689,6 +1689,8 @@ void P_XYMovement(mobj_t *mo)
 				if (mo->flags & MF_SLIDEME)
 				{
 					P_SlideMove(mo);
+					if (P_MobjWasRemoved(mo))
+						return;
 					xmove = ymove = 0;
 				}
 				else