Couch potato (Slang)
Meanings
Fig.: a lazy and inactive person who watches a lot of television
Examples
You are turning into a perfect couch potato; you and the remote control are becoming one and the same
Stai diventando un poltrone perfetto; ormai vivi in simbiosi col telecomando
If there was a prize for the best couch potato, my parents could win it: they never go out of the house and they have turned into television addicts
I miei potrebbero vincere il premio dei poltroni: non escono mai di casa e sono diventati dei tele-dipendentiOrigin
This expression was first used by a comic artist in the 1970s. He drew lazy, sedentary characters that he called couch potatoes, because they seemed more like vegetables than human beings

