Archives on P's and Q's
"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: www.phrases.org.uk bulletin_board 13 messages 1416.html (link below).
Thank you R. Berg. I should have checked the archives first, as I just did with "There is something rotten in the state of Denmark." (Hamlet)