What is wiper sniper?

As an AI language model, it is not possible for me to find any information on a wiper sniper. However, there is a possibility that you are probably referring to a "weed whacker" or a "string trimmer" which is a machine that uses a rotating head and a nylon string to cut overgrown grass and weeds in hard-to-reach areas. These tools are commonly used in garden and lawn maintenance.