A woman, especially an old woman; especially one regarded as fussy or mean or a gossipy busybody.
An Irishwoman.
An attractive girl.
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".
A woke person; someone, particularly a left-liberal individual, who hold what they consider to be social justice issues to an excessive level of importance.