One of the details that "A Christmas Story" gets right is the threat of having your mouth washed out with Lifebouy soap. Not any soap. Lifebouy. Never Ivory or Palmolive. Lifebouy, which apparently contained an ingredient able to nullify bad language. The only other soap ever mentioned for this task was Lava, but that was the nuclear weapon of mouth-washing soaps, so powerful it was used for words we still didn't even know...