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

1.
kanapowiec, leń
a person who spends a lot of time sitting or lying down, watching television, playing video games, etc., and not doing anything active
:
•
After a long week, all he wanted to do was be a couch potato.
Po długim tygodniu wszystko, co chciał robić, to być kanapowcem.
•
My brother is such a couch potato; he never leaves the house on weekends.
Mój brat to taki kanapowiec; nigdy nie wychodzi z domu w weekendy.