mad-mugging
n.— Note: Same as mean-mugging. «Mao, a Southeast Asian gang member, apparently believed somebody at the Chevron station at Hammer Lane and Holman Road “mad-mugged” him, a street term used to describe challenging looks, Smith said.» —“Gang member convicted of murder” by Scott Smith The Record (Stockton, California) Nov. 17, 2007. (source: Double-Tongued Dictionary)