paleo diet
A diet that typically consists of meat, fruit, vegetables, and nuts. "Paleo" is a shortening of "Paleolithic," referring to foods that are thought to have been available to be consumed by humans in the Paleolithic period (or "Stone Age"). Derek's on the paleo diet, so he literally never eats bread.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.