Queef. queef (kweef) n. the expulsion of air from a vagina after sexual intercourse, usually very fast-paced or deep intercourse, and most often resulting after the doggy style position, or variants of said position.queefs are known to have a wet sound, and can occur during intercourse, or after.ueef. Air expelled from the vagina, sometimes mistaken from a fart. Air is sucked into the vaginal opening when a foreign objectt is pushed in from a certain angle creating a vacumm. The release of air causes a farting noise.