That isn't a promotion.
It just means you've let yourself go a bit and they've had to reclassify you from "foxy" to "matronly".
( Dr. Shambolic je suis charlie, Mon 29 Jun 2009, 18:06, archived)

nope, that's a matron
I was still just a baby, not yet in the foxy category.

Now though....
(BloodthirstyTurtle can no longer smell the blood of any englishmen, Mon 29 Jun 2009, 18:07, archived)