couch potato . 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. Categories: add yours TV {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: C Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment