Knowing Hoodbutter this is some sort of sexual reference insinuating that the old lady has birds in her fanny.
(
Mu Dinofiddler,
Wed 6 Jun 2012, 21:38,
archived)
It is exactly that.Well worked out.
(
Captn Hood-Butter is not dead yet.,
Wed 6 Jun 2012, 21:43,
archived)