10 oz. Guinness Extra Stout - (more)
1 oz. Bailey's Irish Cream - (more)
1 oz. Jameson's Irish Whiskey - (more)
Fill a shot glass with Jameson and Baileys. Fill a pint glass about 4/5ths full of Guinness. Drop in the shot glass and drink all in one go (like a boilermaker).
Michael Hollis