E-Stim, short for electro-stimulation, is the practice of administering electric shocks to the erogenous zones of the body to achieve sexual pleasure. E-stim is fraught with possible dangers if not practiced correctly, and deaths have been reported among people who use household appliances to try and give themselves an erotic jolt. Responsible fans of e-stim educate themselves on safety, use specially made equipment, and say it provides a feeling of deep, intense pleasure that can't be achieved any other way.
