3/4 oz Bacardi® 151 rum
1/4 oz Tabasco® sauce
1 oz orange juice

Pour 151 proof rum and tabasco sauce into a stainless shaker over ice, shake until completely cold and strain into an old-fashioned glass. Pour a 1/4 cup of orange juice over the bar, clean up with the bar rag then squeeze 1 oz. out of bar rag into the drink.
Serve to your nastiest customer.