Coca-Cola (or coke)
4 cl of whiskey
3 cl of Midori melon liqueur (or watermelon liqueur)
3 cl of Bailey's Irish Cream (or Irish Cream)
Fill a glass (40-50 cl) with whiskey, midori, bailey's and then coca-cola untill you have enough foam (it looks horrible). Drink it with a straw and don't look at the color.