gassing
n.— «In fact, they say it’s downright dangerous—with inmates attacking them with homemade spears and blow darts dipped in feces. “They call it gassing.”» —“Chief’s Temper Tantrum Has Chinatown Abuzz” by Phillip Matier, Andrew Ross San Francisco Chronicle (California) Nov. 5, 1993. (source: Double-Tongued Dictionary)