"Jizz Addiction" in the context of porn videos refers to a scene or content where an individual is excessively attracted or obsessed with semen, often involved in sexual activities. In this specific tag "jizz addiction (gay)", it implies that the video features gay sex scenes involving one or more individuals who have a strong fascination and desire for ejaculation. This may include elements such as excessive cum shots, swallowing, or other acts related to semen consumption or appreciation. Note that this is intended for adult audiences only.