ˈcouch poˌtato noun [countable]
someone who spends a lot of time sitting and watching television

[TahlilGaran] Dictionary of Contemporary English ▲

couch potato
[informal]
a person who does not like physical activity and prefers to sit down, usually to watch television.
The remote control television was invented for couch potatoes.

[TahlilGaran] English Idioms Dictionary ▲

couch potato
someone who spends a lot of time on a couch watching television
My cousin is a couch potato and he never wants to leave his house.

[TahlilGaran] English Idioms Dictionary ▲

couch potato
n. A person who is addicted to watching television all day.
Poor Ted has become such a couch potato that we can't persuade him to do anything.

[TahlilGaran] English Idioms Dictionary ▲