Fill a regular plastic cup or high ball cup 3/4 with ice.
pour 3/4 shot of Drambuie, and 3/4 of blackberry brandy.
pour about 1/2 shot of Sweet & Sour.
top off with redbull, monster, or availible energy drink
add a splash of grenadine either right down the middle and it will go straight to the alcohol, or around the edge and it will mix with the energy drink.