couch potato
US /ˈkaʊtʃ pəˌteɪ.toʊ/
UK /ˈkaʊtʃ pəˌteɪ.toʊ/

1.
게으름뱅이, 집돌이/집순이
a person who spends a lot of time sitting or lying down, watching television, playing video games, etc., and not doing anything active
:
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After a long week, all he wanted to do was be a couch potato.
긴 한 주를 보낸 후, 그가 하고 싶었던 것은 그저 게으름뱅이가 되는 것뿐이었다.
•
My brother is such a couch potato; he never leaves the house on weekends.
우리 형은 정말 게으름뱅이야. 주말에는 절대 집을 나서지 않아.