An Irish Car Bomb is a cocktail, similar to a boilermaker, made by dropping a bomb shot of Irish cream and whiskey into a glass of stout. The Irish Shot is a 1979 invention that quickly took off in Irish pubs and other bars around the U.S. It was first created by Charles Burke Cronin Oat.
1.
Add the Baileys and whiskey into a shot glass, pouring slowly to create a layered effect.
2.
Drop the shot into a pint glass filled half to three-quarters with the Guinness.