Accu-Jac

Definition

Trade name for a masturbation device for men consisting of an electrically-operated, variable speed, sucking pump connected to a sleeve that fits over the penis. It comes with buddy attachment, allowing two men to use it simultaneously. Accu-Jac II, in addition to having sleeves, is equipped with dildos for vaginal or anal insertion, allowing, for example, two men and two women to masturbate as a group.