1/2 oz of Bacardi Limon Rum (or lemon-flavored rum)
1/2 oz of dekuyper grape pucker schnapps
8 oz of can red bull energy drink (or Energy Drink)
Fill a shot glass with 1/2 DeKuyper Grape Pucker schnapps and 1/2 Bacardi Limon. Fill a lowball or old-fashioned glass with enough red bull to reach top of shot glass when dropped in, then drop the shot glass in and drink.