3/4 cup milk
1 (3.4 ounce) package butterscotch instant pudding mix
1/2 cup sour apple schnapps (such as DeKuyper® Sour Apple Pucker ®)
2 tablespoons butterscotch schnapps (such as DeKuyper® Buttershots®)
2 tablespoons vodka
1 (8 ounce) container frozen whipped topping (such as Cool Whip®), thawed
Beat milk and pudding mix together in a bowl until smooth; add apple schnapps, butterscotch schnapps, and vodka and stir until blended. Fold whipped topping into pudding mixture until incorporated. Spoon the pudding mixture into shot glasses or disposable 'party shot' cups.