1/3 a fluid ounce or 1 centilitre of Sambuca (White)
1/3 a fluid ounce or 1 centilitre of Advocaat
Dash of Bailey's Irish Cream
2 drops of Grenadine
2 drops of Blue Curacao

Layer in order and shoot. Needs to be immediately followed with a snort of high quality tequila, a squeeze of lemon into your eye and therapy.