On 22 Sep 2010 at 9:46, Jeff Walther wrote:
  My experience is that most folks don't know what
one means when one
 uses an expression about sucking eggs.  I thought everyone knew the,
 "Don't teach your grandmother..." expression, but apparently
 familiarity with it is kind of rare.  At least around here. 
...and here I thought that everyone knew how to suck eggs. (a small
hole in the opposite end of the shell to admit air makes the job much
easier).  Of course, with factory-farmed eggs, the risk of salmonella
is always a factor.  Bet my grandma didn't know about that one.
--Chuck