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!

• Re: Mind your P's and Q's? Anthony Brewer 11/02/02
  • Re: Mind your P's and Q's? Bruce Kahl 11/02/02
• Archives on P's and Q's R. Berg 10/30/02
  • Re: Archives on P's and Q's Stan 10/30/02