manners; behavior; conduct (usually preceded by mind or watch): The children were told to mind their p's and q's.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for p's and q's
behaviour within social conventions; manners (esp in the phrase to mind one's p's and q's)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012