Pierce Slightly can be defined as 'PRICK', which is a five-letter word. It is an action that involves making a small hole or puncture in something with a sharp object, such as a needle. This action is often used to draw blood for medical tests or to inject medication into the body. It can also be used to make small holes in fabric or paper for decorative purposes. Pierce Slightly is a term that is used to describe a very light puncture, one that does not cause any significant damage.