The story
From couch + potato; coined by Tom Iacino in 1976 as a pun on boob tuber (from boob tube (“television”) and tuber (“potato”)); trademarked by Robert Armstrong from 1976–91.
First known use, by meaning
- from 1976 A person who spends a lot of time sitting or lying down, often watching television, eating snacks or drinking alcohol.
Etymology from Wiktionary, CC BY-SA 4.0.