Dig into the roots of reality with the age-old phrase "You cannot get blood from a turnip". Learn the roots behind extracting the impossible!. In Appalachian and Southern speech, you can't squeeze blood from a turnip means you can't get something from someone who doesn't have it. A colorful proverb about limits.
Definition of you can't get blood from a turnip in the Idioms Dictionary. you can't get blood from a turnip phrase. What does you can't get blood from a turnip expression mean? Definitions by the largest Idiom Dictionary.. To go about to fetch bloud out of a turnip, viz. to attempt impossibilities. The associated phrases 'like getting blood out of a stone' and 'like getting blood out of a turnip' refer to a task that is difficult to accomplish.