what is joi

JOI is an acronym that stands for "jerk off instructions" or "jack off instructions". It is a category of pornography in which a man or woman instructs his/her partner or the audience on how to perform sexual acts upon themselves for pleasure. JOI videos come in all shapes and sizes and provide an interactive form of role-play that occurs between the viewer and on-screen model. This term has been used since at least the year 2000, though its exact origins are unknown. JOI is a vulgar phrase and is commonly used as a slang term.