Dry as a bone
Meaning
Completely dry.
Usage
Used literally for dryness or figuratively for humorless situations.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Bone analogies referencing lack of moisture.
Used in English for centuries.