A milk-shake with an active pharmacolgical ingredient of the benzodiazepine-group; i.e. Lorazepam.
Its colour is blue, as the most popular lorazepam pills; Tavor (by Pfizer)
Though this beverage is not officially distributed in common fast-food-chains; roumors have spread about its presence in South German-branch Burger King restaurants.
The combination of tatered and baked to discribe the stoned person who is beyond tatered and also beyond baked to be used only after dabs, wax or vape form of pot smoking.
"Dude I got so taterbaked lastnight after I tryed my new vapeerizer i couldnt eventalk.