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A particular kind of orgasm named after the first person known to exhibit them. Through a combination of Kegel excercises and an impressive ability to draw in air and queef at will- she was able to bring herself to orgasm by spasming her vaginal muscles and queefing. The stimulation is mild but after hours of this noisy but mostly still form of masturbation a woman can bring herself to orgasm.
"Damn woman are you queefing or trying to have a jennygasm over there?"

"Impressive and frightening, a jennygasm is a feast for the eyes and ears"
by Holden Alfredo December 17, 2007
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