bullet sponge
n.— «Fighting in there “is going to be chaotic,” he said. There’ll be lots of ricochets, concussions, shrapnel, and nowhere to crawl in retreat. “The first guy is going to go down.…He’s going to be a bullet sponge,” Rinehart said.» —“Soldiers train to a fighting edge” by Michael Gilbert News Tribune (Tacoma, Washington) Mar. 14, 2002. (source: Double-Tongued Dictionary)