One doesn't have to say strange words in order to annoy an enemy, or friend. At the local drug store a 10 cent portion of potassium nitrate is the most important requisite, that is, next to the desire for downright mischievousness. Put it in a bottle and add some water for a nice and powerful solution. Then take a camel's hair brush and a cigarette. Dip the brush into the concoction. Starting one-half inch from one end of the cigarette, stripe the "coffin nail" hand around in a continuous spiral fashion until you reach within one-half inch of the opposite…