spray and pray
v. phr.— «A clerk at the Outdoorsman, Route 12, in West Boylston, said the gun has an effective range of only about 40 yards. “It’s basically spray and pray that you hit something,” he said. “I see no use for them really.”» —“Assault rifles hot item in face of ban” by Walter H. Crockett Jr. Sunday Telegram (Worcester, Massachusetts) Mar. 19, 1989. (source: Double-Tongued Dictionary)