1/2 oz of Tequila
1 oz of Vodka
1/2 oz of Bacardi 151 rum (or overproof rum)
1 oz of Kahlua coffee liqueur (or coffee liqueur)
Pour Kahlua into a small rocks or old-fashioned glass. Add Bacardi 151 and tequila, and top with vodka. Ignite the top on fire, and allow to burn for a few seconds. Extinguish, quickly take the straw to the bottom of the glass and consume.