what is this

code/modules/surgery/organs/augments_arms.dm

@@ -132,7 +132,7 @@
 		else
 			var/list/choice_list = list()
 			for(var/obj/item/I in items_list)
-				choice_list[I] = getFlatIcon(I)
+				choice_list[I] = image(I)
 			var/obj/item/choice = show_radial_menu(owner, owner, choice_list)
 			if(owner && owner == usr && owner.stat != DEAD && (src in owner.internal_organs) && !holder && (choice in contents))
 				// This monster sanity check is a nice example of how bad input is.
@@ -185,11 +185,12 @@
 	zone = BODY_ZONE_L_ARM
 
 /obj/item/organ/cyberimp/arm/toolset/emag_act()
-	if(!(locate(/obj/item/kitchen/knife/combat/cyborg) in items_list))
-		to_chat(usr, "<span class='notice'>You unlock [src]'s integrated knife!</span>")
-		items_list += new /obj/item/kitchen/knife/combat/cyborg(src)
-		return 1
-	return 0
+	. = ..()
+	if(locate(/obj/item/kitchen/knife/combat/cyborg) in items_list)
+		return
+	to_chat(usr, "<span class='notice'>You unlock [src]'s integrated knife!</span>")
+	items_list += new /obj/item/kitchen/knife/combat/cyborg(src)
+	return TRUE
 
 /obj/item/organ/cyberimp/arm/esword
 	name = "arm-mounted energy blade"

code/modules/surgery/organs/eyes.dm

@@ -169,7 +169,6 @@
 	var/list/obj/effect/abstract/eye_lighting/eye_lighting
 	var/obj/effect/abstract/eye_lighting/on_mob
 	var/image/mob_overlay
-	var/datum/component/mobhook
 
 /obj/item/organ/eyes/robotic/glow/Initialize()
 	. = ..()
@@ -185,7 +184,7 @@
 
 /obj/item/organ/eyes/robotic/glow/proc/terminate_effects()
 	if(owner && active)
-		deactivate()
+		deactivate(TRUE)
 	active = FALSE
 	clear_visuals(TRUE)
 	STOP_PROCESSING(SSfastprocess, src)
@@ -238,26 +237,12 @@
 		return
 	deactivate(silent = TRUE)
 
-/obj/item/organ/eyes/robotic/glow/Insert(mob/living/carbon/M, special = FALSE, drop_if_replaced = FALSE)
-	. = ..()
-	if (mobhook && mobhook.parent != M)
-		QDEL_NULL(mobhook)
-	if (!mobhook)
-		mobhook = M.AddComponent(/datum/component/redirect, list(COMSIG_ATOM_DIR_CHANGE = CALLBACK(src, .proc/update_visuals)))
-
-/obj/item/organ/eyes/robotic/glow/Remove(mob/living/carbon/M)
-	. = ..()
-	QDEL_NULL(mobhook)
-
-/obj/item/organ/eyes/robotic/glow/Destroy()
-	QDEL_NULL(mobhook) // mobhook is not our component
-	return ..()
-
 /obj/item/organ/eyes/robotic/glow/proc/activate(silent = FALSE)
 	start_visuals()
 	if(!silent)
 		to_chat(owner, "<span class='warning'>Your [src] clicks and makes a whining noise, before shooting out a beam of light!</span>")
 	active = TRUE
+	RegisterSignal(owner, COMSIG_ATOM_DIR_CHANGE, .proc/update_visuals)
 	cycle_mob_overlay()
 
 /obj/item/organ/eyes/robotic/glow/proc/deactivate(silent = FALSE)
@@ -265,6 +250,7 @@
 	if(!silent)
 		to_chat(owner, "<span class='warning'>Your [src] shuts off!</span>")
 	active = FALSE
+	UnregisterSignal(owner, COMSIG_ATOM_DIR_CHANGE)
 	remove_mob_overlay()
 
 /obj/item/organ/eyes/robotic/glow/proc/update_visuals(datum/source, olddir, newdir)

code/modules/surgery/organs/lungs.dm

@@ -497,6 +497,6 @@
 
 /obj/item/organ/lungs/slime/check_breath(datum/gas_mixture/breath, mob/living/carbon/human/H)
 	. = ..()
-	if (breath.gases[/datum/gas/plasma])
+	if (breath && breath.gases[/datum/gas/plasma])
 		var/plasma_pp = breath.get_breath_partial_pressure(breath.gases[/datum/gas/plasma])
 		owner.blood_volume += (0.2 * plasma_pp) // 10/s when breathing literally nothing but plasma, which will suffocate you.

code/modules/surgery/organs/organ_internal.dm

@@ -153,6 +153,17 @@
 
 		// if they have no mutant tongues, give them a regular one
 		T.Insert(src)
+	else
+		var/obj/item/organ/tongue/oT = getorganslot(ORGAN_SLOT_TONGUE)
+		if(oT.name == "fluffy tongue")
+			var/obj/item/organ/tongue/T
+			if(dna && dna.species && dna.species.mutanttongue)
+				T = new dna.species.mutanttongue()
+			else
+				T = new()
+			oT.Remove(src)
+			qdel(oT)
+			T.Insert(src)
 
 	if(!getorganslot(ORGAN_SLOT_EYES))
 		var/obj/item/organ/eyes/E

code/modules/surgery/organs/tongue.dm

@@ -253,8 +253,6 @@
 		message = replacetext(message, "ove", "uv")
 		message = replacetext(message, "l", "w")
 		message = replacetext(message, "r", "w")
-	if(prob(20))
-		message +=  pick(" OwO", " uwu")
 	message = lowertext(message)
 	speech_args[SPEECH_MESSAGE] = message
 

code/modules/surgery/organs/vocal_cords.dm

@@ -3,7 +3,7 @@
 #define COOLDOWN_MEME 300
 #define COOLDOWN_NONE 100
 
-/obj/item/organ/vocal_cords //organs that are activated through speech with the :x channel
+/obj/item/organ/vocal_cords //organs that are activated through speech with the :x/MODE_KEY_VOCALCORDS channel
 	name = "vocal cords"
 	icon_state = "appendix"
 	zone = BODY_ZONE_PRECISE_MOUTH