While the classic image involves a person glued to a television screen, the modern "couch potato" lifestyle has evolved to include various forms of sedentary behavior.

: Extensive use of smartphones, computers, and video games.

: A person who meets physical activity guidelines (like 150 minutes of exercise per week) but still spends 8 to 10 hours a day sitting. Health Risks and Implications

Smartphone Use Predicts Being an “Active Couch Potato” in ... - PMC

Prolonged sitting is now recognized as an independent risk factor for various chronic health issues, even for those who exercise regularly.

: The practice of watching multiple episodes of a program in rapid succession.