Reworked Plasmamen's explosive fist (#22651)

* stuff

* done

* Update explosive_fist.dm

* Update explosive_fist.dm

* Update explosive_fist.dm

* Update explosive_fist.dm

* Update explosive_fist.dm

* Update explosive_fist.dm

Author: Moltijoe

code/__DEFINES/status_effects.dm

@@ -196,6 +196,8 @@
 
 #define STATUS_EFFECT_MASQUERADE /datum/status_effect/masquerade
 
+#define STATUS_EFFECT_EXPLOSION_PRIME /datum/status_effect/explosion_prime
+
 /////////////
 //  SLIME  //
 /////////////