As someone who works adjacent to rail operations, it's somewhat common to see used in a completely straight-faced and serious way. Plant failing to be properly

As someone who works adjacent to rail operations, it's somewhat common to see used in a completely straight-faced and serious way. Plant failing to be properly retarded is a somewhat regular cause of near-miss safety incidents. https://en.wikipedia.org/wiki/Retarder_(railroad) https://en.wikipedia.org/wiki/Retarder_(railroad)