A powder commonly used for inhilation through the nose for a slight "high." It generally consists of crushed pain killers and
pure caffiene that causes a sensation similar to
cocaine but for a much shorter duration at a lower cost. The biggest issue with yip is that every person has a different recipe to make it, you dont really know whats in it unless they tell you. It became known as yip because some recipes use ibuprofen which without the protective casing thats put on the pill it has a very strong burning sensation causing
people to. well yip