A flatulent-sounding explusion of air from the vagina, caused by the pumping of air into it with one's penis, or the spasming the vagina can go through during oral sex, "gulping" in and eventually expelling air.
When Stacey queefed while I was making love to her orally, it startled the hell out of me, we both laughed, and I dove right back in. I quickly learned that her queefs were her body's way of showing how much she loved what I was doing and I welcomed them.
by Bob August 27, 2003
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A puff of air discharged from the vagina
by Eddiewiggins October 24, 2014
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A release of air from the vagina, also known as a pussy fart .

Although this usually happens during sex, it is also known to happen while doing the 'Shoulder Stand' yoga pose; where you're on your back with your legs up vertical in the air.
"Having only queefed during sex, I was shocked that it happened while I was doing yoga."
by LotusLette September 4, 2009
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When i was having sex with my girl, she queefed all night long.
by Stu November 16, 2003
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emmission or expulsion of air from the vagina, often during of after sexual intercorse or (less often) other sexual acts, stretching or exercise. the sound is often comparable to flatulence from the anus but does not involve waste gases and thus often has no specific odor associated. can be a verb or noun
She queefs so loud. When she was exercising i heard a loud queef.
by Serbian Mafia April 8, 2007
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When having sexual intercourse, and penetration is involved, the penis often creates an air pocket in the vagina. When air is forced in or out too quickly, a suction nois occurs: commonly referred to as a queef.
I queefed so hard last night, it was incredible!
by Queefy McFarterson May 24, 2005
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