(historical) A female slave kept for sex; a concubine.

plural of fancy girl

plural of walk-on girl.

plural of reply girl

(Internet, historical) A young woman who published video responses to popular YouTube videos, often wearing suggestive clothing, in order to exploit the site's algorithms and receive large amounts of traffic.

plural of girl scout

Alternative form of Girl Scout

plural of idiot girl

(television, slang) A woman employed to hold up the "idiot boards" used to prompt the presenters.

(historical, obsolete) A unit of computing power in the context of 1940s–1970s technology equal to one female worker working for one hour, for example, writing code or entering data to punch cards.