1/2 oz of amaretto almond liqueur (or almond liqueur)
1/2 oz of Kahlua coffee liqueur (or coffee liqueur)
1/2 pint of Guinness stout (or dark beer)
1 splash of Bacardi 151 rum (or overproof rum)
Fill a shot glass half with Kahlua, half with amaretto, and a splash of Bacardi 151 rum. Drop it into a pint of Guinness, and serve.