diff --git a/code/__DEFINES/misc.dm b/code/__DEFINES/misc.dm
index dad6165400f..e271654146c 100644
--- a/code/__DEFINES/misc.dm
+++ b/code/__DEFINES/misc.dm
@@ -287,3 +287,6 @@
 #define SHELTER_DEPLOY_BAD_TURFS "bad turfs"
 #define SHELTER_DEPLOY_BAD_AREA "bad area"
 #define SHELTER_DEPLOY_ANCHORED_OBJECTS "anchored objects"
+
+// The cooldown on OOC messages such as OOC, LOOC, praying and adminhelps
+#define OOC_COOLDOWN 20
diff --git a/code/game/verbs/ooc.dm b/code/game/verbs/ooc.dm
index 2c896f3dbdf..f209e652b38 100644
--- a/code/game/verbs/ooc.dm
+++ b/code/game/verbs/ooc.dm
@@ -32,7 +32,7 @@ var/global/admin_ooc_colour = "#b82e00"
 		if(prefs.muted & MUTE_OOC)
 			to_chat(src, "<span class='danger'>You cannot use OOC (muted).</span>")
 			return
-		if(handle_spam_prevention(msg, MUTE_OOC))
+		if(handle_spam_prevention(msg, MUTE_OOC, OOC_COOLDOWN))
 			return
 		if(findtext(msg, "byond://"))
 			to_chat(src, "<B>Advertising other servers is not allowed.</B>")
@@ -168,7 +168,7 @@ var/global/admin_ooc_colour = "#b82e00"
 		if(prefs.muted & MUTE_OOC)
 			to_chat(src, "<span class='danger'>You cannot use LOOC (muted).</span>")
 			return
-		if(handle_spam_prevention(msg,MUTE_OOC))
+		if(handle_spam_prevention(msg, MUTE_OOC, OOC_COOLDOWN))
 			return
 		if(findtext(msg, "byond://"))
 			to_chat(src, "<B>Advertising other servers is not allowed.</B>")
diff --git a/code/modules/admin/verbs/adminhelp.dm b/code/modules/admin/verbs/adminhelp.dm
index d78ef5dcde3..c17671995ff 100644
--- a/code/modules/admin/verbs/adminhelp.dm
+++ b/code/modules/admin/verbs/adminhelp.dm
@@ -24,7 +24,7 @@ var/list/adminhelp_ignored_words = list("unknown","the","a","an","of","monkey","
 	if(!msg)
 		return
 
-	if(src.handle_spam_prevention(msg,MUTE_ADMINHELP))
+	if(handle_spam_prevention(msg, MUTE_ADMINHELP, OOC_COOLDOWN))
 		return
 
 	msg = sanitize(copytext(msg,1,MAX_MESSAGE_LEN))
diff --git a/code/modules/admin/verbs/adminpm.dm b/code/modules/admin/verbs/adminpm.dm
index d711a3f5910..63241ce43c5 100644
--- a/code/modules/admin/verbs/adminpm.dm
+++ b/code/modules/admin/verbs/adminpm.dm
@@ -99,7 +99,7 @@
 				adminhelp(msg)	//admin we are replying to has vanished, adminhelp instead
 			return
 
-	if(src.handle_spam_prevention(msg,MUTE_ADMINHELP))
+	if(handle_spam_prevention(msg, MUTE_ADMINHELP, OOC_COOLDOWN))
 		return
 
 	//clean the message if it's not sent by a high-rank admin
diff --git a/code/modules/admin/verbs/pray.dm b/code/modules/admin/verbs/pray.dm
index 03365b38385..486b95f5a1b 100644
--- a/code/modules/admin/verbs/pray.dm
+++ b/code/modules/admin/verbs/pray.dm
@@ -9,7 +9,7 @@
 		if(usr.client.prefs.muted & MUTE_PRAY)
 			to_chat(usr, "\red You cannot pray (muted).")
 			return
-		if(src.client.handle_spam_prevention(msg,MUTE_PRAY))
+		if(client.handle_spam_prevention(msg, MUTE_PRAY, OOC_COOLDOWN))
 			return
 
 	var/image/cross = image('icons/obj/storage.dmi',"bible")
diff --git a/code/modules/client/client defines.dm b/code/modules/client/client defines.dm
index c1cbd07daee..8f2adef5a1b 100644
--- a/code/modules/client/client defines.dm	
+++ b/code/modules/client/client defines.dm	
@@ -4,8 +4,9 @@
 		////////////////
 	var/datum/admins/holder = null
 
-	var/last_message	= "" //Contains the last message sent by this client - used to protect against copy-paste spamming.
-	var/last_message_count = 0 //contins a number of how many times a message identical to last_message was sent.
+	var/last_message	= "" //contains the last message sent by this client - used to protect against copy-paste spamming.
+	var/last_message_count = 0 //contains a number of how many times a message identical to last_message was sent.
+	var/last_message_time = 0 //holds the last time (based on world.time) a message was sent
 
 		/////////
 		//OTHER//
diff --git a/code/modules/client/client procs.dm b/code/modules/client/client procs.dm
index 7a668e375fc..b13fd42c38e 100644
--- a/code/modules/client/client procs.dm	
+++ b/code/modules/client/client procs.dm	
@@ -233,19 +233,25 @@
 		return 0
 	return 1
 
-/client/proc/handle_spam_prevention(var/message, var/mute_type)
-	if(config.automute_on && !holder && src.last_message == message)
-		src.last_message_count++
-		if(src.last_message_count >= SPAM_TRIGGER_AUTOMUTE)
-			to_chat(src, "\red You have exceeded the spam filter limit for identical messages. An auto-mute was applied.")
-			cmd_admin_mute(src.mob, mute_type, 1)
+/client/proc/handle_spam_prevention(var/message, var/mute_type, var/throttle = 0)
+	if(config.automute_on && !holder && last_message == message)
+		last_message_count++
+		if(last_message_count >= SPAM_TRIGGER_AUTOMUTE)
+			to_chat(src, "<span class='danger'>You have exceeded the spam filter limit for identical messages. An auto-mute was applied.</span>")
+			cmd_admin_mute(mob, mute_type, 1)
 			return 1
-		if(src.last_message_count >= SPAM_TRIGGER_WARNING)
-			to_chat(src, "\red You are nearing the spam filter limit for identical messages.")
+		if(last_message_count >= SPAM_TRIGGER_WARNING)
+			to_chat(src, "<span class='danger'>You are nearing the spam filter limit for identical messages.</span>")
 			return 0
+	else if(throttle)
+		if((last_message_time + throttle > world.time) && !check_rights(R_ADMIN, 0))
+			var/wait_time = round(((last_message_time + throttle) - world.time) / 10, 1)
+			to_chat(src, "<span class='danger'>You are sending messages to quickly. Please wait [wait_time] [wait_time == 1 ? "second" : "seconds"] before sending another message.</span>")
+			return 1		
+		last_message_time = world.time
 	else
 		last_message = message
-		src.last_message_count = 0
+		last_message_count = 0
 		return 0
 
 //This stops files larger than UPLOAD_LIMIT being sent from client to server via input(), client.Import() etc.