diff --git a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
index a59f059da31..a2a1e846918 100644
--- a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
@@ -657,6 +657,39 @@ All effects don't start immediately, but rather get worse over time; the rate is
 	glass_desc = "A simple, yet superb mixture of Vodka and orange juice. Just the thing for the tired engineer."
 	chemical_flags = REAGENT_CAN_BE_SYNTHESIZED
 
+/datum/reagent/consumable/ethanol/screwdrivercocktail/on_transfer(atom/atom, methods = TOUCH, trans_volume)
+	if(!(methods & INGEST))
+		return ..()
+
+	if(src == atom.reagents.get_master_reagent() && istype(atom, /obj/item/reagent_containers/cup/glass/drinkingglass))
+		var/obj/item/reagent_containers/cup/glass/drinkingglass/drink = atom
+		drink.tool_behaviour = TOOL_SCREWDRIVER
+		var/list/reagent_change_signals = list(
+			COMSIG_REAGENTS_ADD_REAGENT,
+			COMSIG_REAGENTS_NEW_REAGENT,
+			COMSIG_REAGENTS_REM_REAGENT,
+			COMSIG_REAGENTS_DEL_REAGENT,
+			COMSIG_REAGENTS_CLEAR_REAGENTS,
+			COMSIG_REAGENTS_REACTED,
+		)
+		RegisterSignal(drink.reagents, reagent_change_signals, .proc/on_reagent_change)
+
+	return ..()
+
+/datum/reagent/consumable/ethanol/screwdrivercocktail/proc/on_reagent_change(datum/reagents/reagents)
+	SIGNAL_HANDLER
+	if(src != reagents.get_master_reagent())
+		var/obj/item/reagent_containers/cup/glass/drinkingglass/drink = reagents.my_atom
+		drink.tool_behaviour = initial(drink.tool_behaviour)
+		UnregisterSignal(reagents, list(
+			COMSIG_REAGENTS_ADD_REAGENT,
+			COMSIG_REAGENTS_NEW_REAGENT,
+			COMSIG_REAGENTS_REM_REAGENT,
+			COMSIG_REAGENTS_DEL_REAGENT,
+			COMSIG_REAGENTS_CLEAR_REAGENTS,
+			COMSIG_REAGENTS_REACTED,
+		))
+
 /datum/reagent/consumable/ethanol/screwdrivercocktail/on_mob_life(mob/living/carbon/drinker, delta_time, times_fired)
 	var/obj/item/organ/internal/liver/liver = drinker.getorganslot(ORGAN_SLOT_LIVER)
 	if(HAS_TRAIT(liver, TRAIT_ENGINEER_METABOLISM))
diff --git a/code/modules/reagents/reagent_containers/cups/drinkingglass.dm b/code/modules/reagents/reagent_containers/cups/drinkingglass.dm
index bcf37422af4..aaa6d5ee5c1 100644
--- a/code/modules/reagents/reagent_containers/cups/drinkingglass.dm
+++ b/code/modules/reagents/reagent_containers/cups/drinkingglass.dm
@@ -15,6 +15,8 @@
 	drop_sound = 'sound/items/handling/drinkglass_drop.ogg'
 	pickup_sound = 'sound/items/handling/drinkglass_pickup.ogg'
 	custom_price = PAYCHECK_LOWER
+	//the screwdriver cocktail can make a drinking glass into the world's worst screwdriver. beautiful.
+	toolspeed = 25
 
 /obj/item/reagent_containers/cup/glass/drinkingglass/on_reagent_change(datum/reagents/holder, ...)
 	. = ..()