In the meat packing industry the "killing floor" refers to the area in the slaughterhouse where the animals are herded to be killed. "...the killing floor" lyric refers to Vietnam and draws a grim parallel between the wholesale slaughter of innocent animals in the meat packing industry and the slaughter of the soldiers in the Vietnam theater as well as the the more generalized slaughter of American innocence.
In the meat packing industry the "killing floor" refers to the area in the slaughterhouse where the animals are herded to be killed. "...the killing floor" lyric refers to Vietnam and draws a grim parallel between the wholesale slaughter of innocent animals in the meat packing industry and the slaughter of the soldiers in the Vietnam theater as well as the the more generalized slaughter of American innocence.