An attractive girl.
A woman, especially an old woman; especially one regarded as fussy or mean or a gossipy busybody.
An Irishwoman.
breasts (when used in the phrase "tig biddies" derived from "big tiddies")
A name used in calling a hen or chicken, often as "biddy-biddy-biddy".
An attractive, usually well-known, female model whose image has been featured on one or more magazine covers.