Posted by Mike Dennis on November 23, 2006 at 08:47:52 from 84.71.161.170 user MTD.
In Reply to: Re: Teach Your Grandmother posted by John Wilson on November 23, 2006 at 02:55:07:
You're right about the full phrase John. Brewers only gives a definition, no origin. But to answer Ed's original question it's one of those common phrases in English English that most people know even it they don't use it. AR clearly thought he could shorten it and everyone would still know what he meant.