1 tsp of Bailey's Irish Cream (or Irish Cream)
1 tsp of jameson irish whiskey
1/2 pint of Guinness stout (or dark beer)
3/4 oz of Kahlua coffee liqueur (or coffee liqueur)
Pour Kahlua coffee liqueur into a shot glass. Top with Bailey's irish cream and Jameson whiskey. Drop the shot glass into a half-pint of Guinness, and consume immediately.