"Please lose that hat."

Giganews Newsgroups
Subject: "Please lose that hat."
Posted by:  Hen Hanna (henhan…@gmail.com)
Date: Mon, 13 Jun 2016

  Was this usage common in the 1950s and 1960s ?

https://en.wiktionary.org/wiki/lose

9.(transitive, informal) To shed, remove, discard, or eliminate.
      When we get into the building, please lose the hat.

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