dirt drug
n.— «Take the remarkable anti-cancer properties found in soil bacteria. It’s helping bone cancer patients at the Dana-Farber Cancer Institute in Boston. In fact, the “dirt drug,” as it’s been coined, is teamed with a more conventional medicine. And the end result is a boost in its medicinal power.» —“Couric & Co.: Seeds Of Life In The Soil” by Michelle Miller CBS News Sept. 25, 2007. (source: Double-Tongued Dictionary)
Further reading
When there’s no evening meal planned at home, what do you call that scramble to cobble together your own dinner? Some people apply acronyms like YOYO — “you’re on your own” — or CORN, for “Clean Out your Refrigerator...
Michelle in Thorne Bay, Alaska, wonders why a skittish person may be called a nervous Nellie. That term is associated with the nickname of politician Frank B. Kellogg, who was considered overly emotional and indecisive, but who also won the 1929...