Green’s Dictionary of Slang

queef n.

[queef v.]

a vaginal fart.

[UK]Roger’s Profanisaurus in Viz 87 Dec. n.p.: queef US n. Vaginal fart; front botty burp.
[US]hipslang.com [Internet] vart: (n.) a queef or a vaginal fart ex. phewww was that bertha that just busted a vart?
OnLine Dict. of Playground Sl. [Internet] queef n. A ‘fanny fart’, i.e. air expelled from the vagina, normally after sexual interaction of some kind.