update, bitflags.

code/__DEFINES/citadel_defines.dm

@@ -25,7 +25,9 @@
 
 #define GENITAL_LAYER_INDEX_LENGTH 4 //keep it updated with each new index added, thanks.
 
-#define MASTURBATE_LINKED_ORGAN 2 //special value used to pass our mission to the linked organ
+//genital flags
+#define GENITAL_BLACKLISTED (1 << 0) //for genitals that shouldn't be added to GLOB.genitals_list.
+#define MASTURBATE_LINKED_ORGAN (1<<1) //used to pass our mission to the linked organ
 
 #define COCK_SIZE_MIN		1
 #define COCK_SIZE_MAX		20

code/__HELPERS/global_lists.dm

@@ -64,7 +64,8 @@
 
 	for(var/gpath in subtypesof(/obj/item/organ/genital))
 		var/obj/item/organ/genital/G = gpath
-		GLOB.genitals_list[initial(G.name)] = gpath
+		if(!CHECK_BITFIELD(initial(G.genital_flags), GENITAL_BLACKLISTED))
+			GLOB.genitals_list[initial(G.name)] = gpath
 //END OF CIT CHANGES
 
 	//Species