What's happening? Idioms: Couch potato martin 10 April, 2013 Example sentence: "Hazel is such a couch potato. She just sits around all day watching television!" Embed this illustration on Your Site: Kaplan English Idioms Illustrations Click the link for the full Food Idioms illustration! author: martin (317 Posts) Share this with your friends author: martin (317 Posts) View the discussion thread.