spray and pray
v. phr.— «Drug companies are not ready to abandon the “spray and pray” random sampling of compounds to find potential new drugs, but excitement is growing about using computers to design tomorrow’s pharmaceuticals in a more rational way.» —“Advances in Drugs, Courtesy of Computers” by Barnaby J. Feder New York Times Aug. 3, 1988. (source: Double-Tongued Dictionary)