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Posted by R. Berg on October 30, 2002

In Reply to: Mind your P's and Q's? posted by Stan on October 30, 2002

: "Mind your P's and Q's." Can someone please tell me what this means and where it originated? Thank you!

It means "Behave properly." A previous discussion contains several proposals about its origin: http://www.phrases.org.uk/bulletin_board/13/messages/1416.html (link below).