I wrote recently about when to use apostrophes with single letters or runs of letters and detoured into one theory on the etymology of the phrase "
mind your ps and qs."
In the saying "
Mind your Ps and Qs", what do P and Q stand for?
Go back to school with a lesson in the traditional schoolroom but be careful you
mind your Ps and Qs! Explore the underground coalmine and discover a miner's life in the 1850s.
I had asked: "Where does the phrase
mind your Ps and Qs come from?"
So, just tell him what you've told me that your mum is a bit of a dragon and you'll both have to
mind your Ps and Qs, which includes not gobbling the food and keeping your mouths shut as much as possible.
And finally, where does the phrase
mind your Ps and Qs come from?