Dissolve instant coffee in 1 Tablespoon of water. Add a small amount of corn syrup to the rim of the glasses. Dip the rim into sprinkles placed on a plate. Repeat until you have 4, 4 ounce glasses rimmed with sprinkles.
Add ice cream, Irish Cream, vodka, half and half, sweetened condensed milk and dissolved coffee to a blender. Blend until smooth.
Pour into prepared glasses and top with whipped cream and additional sprinkles. Serve immediately.