diff --git a/src/k_kart.c b/src/k_kart.c
index 5197f6d79..33f32dea9 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -2028,9 +2028,17 @@ static fixed_t K_FlameShieldDashVar(INT32 val)
 	return (3*FRACUNIT/4) + (((val * FRACUNIT) / TICRATE) / 2);
 }
 
+// Light weights have stronger boost stacking -- aka, better metabolism than heavies XD
+#define METABOLISM
+
 // sets k_boostpower, k_speedboost, and k_accelboost to whatever we need it to be
 static void K_GetKartBoostPower(player_t *player)
 {
+#ifdef METABOLISM
+	const fixed_t maxmetabolismincrease = FRACUNIT/2;
+	const fixed_t metabolism = FRACUNIT - ((9-player->kartweight) * maxmetabolismincrease / 8);
+#endif // METABOLISM
+
 	fixed_t boostpower = FRACUNIT;
 	fixed_t speedboost = 0, accelboost = 0;
 	UINT8 numboosts = 0;
@@ -2048,12 +2056,24 @@ static void K_GetKartBoostPower(player_t *player)
 	if (player->kartstuff[k_bananadrag] > TICRATE)
 		boostpower = (4*boostpower)/5;
 
+#ifdef METABOLISM
+
 #define ADDBOOST(s,a) { \
 	numboosts++; \
-	speedboost += (s) / numboosts; \
-	accelboost += (a) / numboosts; \
+	speedboost += FixedDiv(s, FRACUNIT + (metabolism * numboosts-1)); \
+	accelboost += FixedDiv(a, FRACUNIT + (metabolism * numboosts-1)); \
 }
 
+#else
+
+#define ADDBOOST(s,a) { \
+	numboosts++; \
+	speedboost += s / numboosts; \
+	accelboost += a / numboosts; \
+}
+
+#endif // METABOLISM
+
 	if (player->kartstuff[k_sneakertimer]) // Sneaker
 	{
 		UINT8 i;
@@ -2198,11 +2218,11 @@ UINT16 K_GetKartFlashing(player_t *player)
 	if (!player)
 		return tics;
 
+	tics += (tics/8) * (player->kartspeed);
+
 	if (G_BattleGametype())
 		tics *= 2;
 
-	tics += (flashingtics/8) * (player->kartspeed);
-
 	return tics;
 }