Wiktionary
dry as a bone
a. (context simile English) completely dry; totally dry
Wikipedia
Dry As a Bone
Dry as a Bone is the second EP by the American rock band Green River. It was released in July 1987 through Sub Pop Records.
Usage examples of "dry as a bone".
The grass directly under Collier was wet, but that surrounding him was dry as a bone under the bright, hot sun.
It's a tough place to work, dry as a bone, a place where all the bushes have thorns on them to keep you from stealing their water.
Prairie, mesa, desert stark and dry as a bone, stretching all the way to the Pacific Ocean.