Merge pull request #10702 from Ghommie/Ghommie-cit528

Hey, do you remember that wizard round where everyone tried arming up the nuclear bomb and we all went DELTA RED DELTA RED DELTA RED DELTA ?

code/modules/antagonists/nukeop/equipment/nuclearbomb.dm

@@ -31,6 +31,7 @@
 	var/interior = ""
 	var/proper_bomb = TRUE //Please
 	var/obj/effect/countdown/nuclearbomb/countdown
+	var/nuclear_cooldown //used to stop global spam.
 
 /obj/machinery/nuclearbomb/Initialize()
 	. = ..()
@@ -416,12 +417,16 @@
 		return
 	timing = !timing
 	if(timing)
+		if(nuclear_cooldown > world.time)
+			to_chat(usr, "<span class='danger'>[src]'s timer protocols are currently on cooldown, please stand by.</span>")
+			return
 		previous_level = get_security_level()
 		detonation_timer = world.time + (timer_set * 10)
 		for(var/obj/item/pinpointer/nuke/syndicate/S in GLOB.pinpointer_list)
 			S.switch_mode_to(TRACK_INFILTRATOR)
 		countdown.start()
 		set_security_level("delta")
+		nuclear_cooldown = world.time + 15 SECONDS
 
 		if(GLOB.war_declared)
 			var/area/A = get_area(src)