A couch potato意思
"Couch potato" is an English idiom that refers to a person who spends a great deal of time lazing around, especially by watching television, without doing much else. The term is often used to describe someone who is sedentary and lacks physical activity, typically sitting on a couch or sofa for long periods. It implies a lack of motivation or initiative to engage in other activities, such as exercise, work, or socializing.