1. To spend a significant portion of a day or even a week watching without pause back to back episodes from multiple seasons of a single television series, replacing the experience of one's own reality and resulting in lingering effects on one's consciousness, once the final episode has been watched. 2. To re-set one's own immediate depressive state by immersing oneself in a mediated one (television, film, online social forum, amusement park, etc.) for an extended, but ultimately temporary, period of time.
Jan was in such a funk that she withdrew into her dorm room with a Costco carton of microwaveable popcorn to matrix on the complete seven seasons of Wire in the Blood, emerging three days later with a slight British accent and a less slight case of paranoia.