Green’s Dictionary of Slang

foid n.

[abbr. femoid on model of SE android]

(US) as used by incels, a woman; the inference is that women are not completely human.

q. in K. Preston et al.‘The Black Pill’ in Men & Masculinities 18 May 🌐 Nowadays, foids want good looks [and] good income [and a good] personality. And they are getting it, make no mistake about it. Because of Tinder and hypergamy. Foids prefer to share a Chad rather [then] [sic] settle with anything less.