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It is an acronym, originally standing for Port Out, Starboard Home. This was a class of booking on ships from the UK to India, and refers to the favoured shady side of the ship (port = left, starboard = right). On a ship heading east, the port side (left) is shady, and heading west, the starboard side (right) is shady. This was a big consideration in the days before air conditioning, and these cabins were the most expensive. The acronym POSH came to mean rich, luxurious, spendthrift.

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15y ago

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