How(and more importantly WHY) to make a Choctail

Take a slab of Cadbury dairy milk chocolate and put it in a glass. Then pour 200 ml of your favourite cola on it. What you have is a choctail.

Why make it? The pesticides in the cola will kill the worms in the Cadbury chocolates.

....errr.....I bet someone has already cracked this one before. Darn, i should update my blog more often.