How to make Dirty Sprite: Begin by taking a sip of Sprite out of your 20oz Sprite bottle, once completed, add your preferred dosage of 30ml-120ml of your preferred manufacturer's Promethazine/Codeine Syrup 6.25/10mg per 5ml into your sipped 20oz sprite at a 45 degree angle, once completed screw the cap back onto your 20oz now un-flipped Dirty Sprite bottle and begin to flip the bottle until mixed completely. ! DO NOT BE AFRAID TO PLAY WITH THE SYRUP IN THE BOTTLE AS YOU ARE FLIPPING IT ! Once mixed completely, proceed to sip and enjoy your now Dirty Sprite, preferably poured over ice in a Styrofoam double cup.