agentorange Toxic defoliant Powerful herbicide with a colorful name Herbicide with a colorful name Herbicide used in Vietnam Deadly defoliant Controversial Vietnam War defoliant Controversial Vietnam herbicide "Living in Darkness" OC punks Deleterious defoliant Toxic herbicide Weapon used in the Vietnam War Toxic defoliant used in Vietnam Nerve gas makes a chap a goner, unfortunately Herbicide makes a fellow a goner, unfortunately Powerful toxic defoliant Vietnam War defoliant