Allowed grenades to be stuffed into mouths and primed.

code/modules/mob/emote.dm

@@ -7,7 +7,7 @@
 		usr << "You are unable to emote."
 		return
 
-	var/muzzled = istype(src.wear_mask, /obj/item/clothing/mask/muzzle)
+	var/muzzled = is_muzzled()
 	if(m_type == 2 && muzzled) return
 
 	var/input

code/modules/mob/living/carbon/alien/emote.dm

@@ -8,7 +8,7 @@
 
 	if(findtext(act,"s",-1) && !findtext(act,"_",-2))//Removes ending s's unless they are prefixed with a '_'
 		act = copytext(act,1,length(act))
-	var/muzzled = istype(src.wear_mask, /obj/item/clothing/mask/muzzle)
+	var/muzzled = is_muzzled()
 
 	switch(act)
 		if ("me")

code/modules/mob/living/carbon/human/emote.dm

@@ -9,7 +9,7 @@
 	if(findtext(act,"s",-1) && !findtext(act,"_",-2))//Removes ending s's unless they are prefixed with a '_'
 		act = copytext(act,1,length(act))
 
-	var/muzzled = istype(src.wear_mask, /obj/item/clothing/mask/muzzle)
+	var/muzzled = is_muzzled()
 	//var/m_type = 1
 
 	for (var/obj/item/weapon/implant/I in src)

code/modules/mob/living/carbon/human/examine.dm

@@ -150,10 +150,14 @@
 
 	//mask
 	if(wear_mask && !skipmask)
+		var/descriptor = "on [T.his] face"
+		if(istype(wear_mask, /obj/item/weapon/grenade) && check_has_mouth())
+			descriptor = "in [T.his] mouth"
+
 		if(wear_mask.blood_DNA)
-			msg += "<span class='warning'>[T.He] [T.has] \icon[wear_mask] [wear_mask.gender==PLURAL?"some":"a"] [(wear_mask.blood_color != SYNTH_BLOOD_COLOUR) ? "blood" : "oil"]-stained [wear_mask.name] on [T.his] face!</span>\n"
+			msg += "<span class='warning'>[T.He] [T.has] \icon[wear_mask] [wear_mask.gender==PLURAL?"some":"a"] [(wear_mask.blood_color != SYNTH_BLOOD_COLOUR) ? "blood" : "oil"]-stained [wear_mask.name] [descriptor]!</span>\n"
 		else
-			msg += "[T.He] [T.has] \icon[wear_mask] \a [wear_mask] on [T.his] face.\n"
+			msg += "[T.He] [T.has] \icon[wear_mask] \a [wear_mask] [descriptor].\n"
 
 	//eyes
 	if(glasses && !skipeyes)

code/modules/mob/living/carbon/human/human.dm

@@ -1407,3 +1407,7 @@
 			return 0
 		return check_organ.can_feel_pain()
 	return !(species.flags & NO_PAIN)
+
+/mob/living/carbon/human/is_muzzled()
+	return (wear_mask && (istype(wear_mask, /obj/item/clothing/mask/muzzle) || istype(src.wear_mask, /obj/item/weapon/grenade)))
+

code/modules/mob/living/carbon/human/human_attackhand.dm

@@ -118,6 +118,16 @@
 
 		if(I_HURT)
 
+			if(M.zone_sel.selecting == "mouth" && wear_mask && istype(wear_mask, /obj/item/weapon/grenade))
+				var/obj/item/weapon/grenade/G = wear_mask
+				if(!G.active)
+					visible_message("<span class='danger'>\The [M] pulls the pin from \the [src]'s [G.name]!</span>")
+					G.activate(M)
+					update_inv_wear_mask()
+				else
+					M << "<span class='warning'>\The [G] is already primed! Run!</span>"
+				return
+
 			if(!istype(H))
 				attack_generic(H,rand(1,3),"punched")
 				return

code/modules/mob/living/carbon/human/stripping.dm

@@ -69,7 +69,10 @@
 	if(stripping)
 		visible_message("<span class='danger'>\The [user] is trying to remove \the [src]'s [target_slot.name]!</span>")
 	else
-		visible_message("<span class='danger'>\The [user] is trying to put \a [held] on \the [src]!</span>")
+		if(slot_to_strip == slot_wear_mask && istype(held, /obj/item/weapon/grenade))
+			visible_message("<span class='danger'>\The [user] is trying to put \a [held] in \the [src]'s mouth!</span>")
+		else
+			visible_message("<span class='danger'>\The [user] is trying to put \a [held] on \the [src]!</span>")
 
 	if(!do_after(user,HUMAN_STRIP_DELAY))
 		return

code/modules/mob/living/carbon/human/unarmed_attack.dm

@@ -112,7 +112,7 @@ var/global/list/sparring_attack_cache = list()
 
 /datum/unarmed_attack/bite/is_usable(var/mob/living/carbon/human/user, var/mob/living/carbon/human/target, var/zone)
 
-	if (user.wear_mask && istype(user.wear_mask, /obj/item/clothing/mask/muzzle))
+	if (user.is_muzzled())
 		return 0
 	if (user == target && (zone == BP_HEAD || zone == O_EYES || zone == O_MOUTH))
 		return 0

code/modules/mob/living/carbon/human/update_icons.dm

@@ -788,7 +788,7 @@ var/global/list/damage_icon_parts = list()
 
 
 /mob/living/carbon/human/update_inv_wear_mask(var/update_icons=1)
-	if( wear_mask && ( istype(wear_mask, /obj/item/clothing/mask) || istype(wear_mask, /obj/item/clothing/accessory) ) && !(head && head.flags_inv & HIDEMASK))
+	if( wear_mask && ( istype(wear_mask, /obj/item/clothing/mask) || istype(wear_mask, /obj/item/clothing/accessory) || istype(wear_mask, /obj/item/weapon/grenade) ) && !(head && head.flags_inv & HIDEMASK))
 		wear_mask.screen_loc = ui_mask	//TODO
 
 		var/image/standing

code/modules/mob/living/carbon/human/whisper.dm

@@ -37,7 +37,7 @@
 //This is used by both the whisper verb and human/say() to handle whispering
 /mob/living/carbon/human/proc/whisper_say(var/message, var/datum/language/speaking = null, var/alt_name="", var/verb="whispers")
 
-	if (istype(src.wear_mask, /obj/item/clothing/mask/muzzle))
+	if (is_muzzled())
 		src << "<span class='danger'>You're muzzled and cannot speak!</span>"
 		return
 

code/modules/mob/living/say.dm

@@ -82,9 +82,6 @@ proc/get_radio_key_from_channel(var/channel)
 /mob/living/proc/get_default_language()
 	return default_language
 
-/mob/living/proc/is_muzzled()
-	return 0
-
 /mob/living/proc/handle_speech_problems(var/message, var/verb)
 	var/list/returns[3]
 	var/speech_problem_flag = 0
@@ -167,7 +164,7 @@ proc/get_radio_key_from_channel(var/channel)
 		speaking.broadcast(src,trim(message))
 		return 1
 
-	verb = say_quote(message, speaking)
+	verb = say_quote(message, speaking)
 
 	if(is_muzzled())
 		src << "<span class='danger'>You're muzzled and cannot speak!</span>"

code/modules/mob/mob.dm

@@ -1131,3 +1131,7 @@ mob/proc/yank_out_object()
 
 /mob/proc/isSynthetic()
 	return 0
+
+/mob/proc/is_muzzled()
+	return 0
+

code/modules/spells/spell_code.dm

@@ -213,7 +213,7 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 			return 0
 
 		if(ishuman(user) && !(invocation_type in list(SpI_EMOTE, SpI_NONE)))
-			if(istype(user.wear_mask, /obj/item/clothing/mask/muzzle))
+			if(user.is_muzzled())
 				user << "Mmmf mrrfff!"
 				return 0