Involuntary muscle contractions of the pelvic floor muscles. Treatment options vary, most common is PT through a pelvic floor or sex therapist.
Common symptoms are painful intercourse or being completely unable to have intercourse, "hitting a wall."
Mary: Oh no I started my period, do you have a pad?
Jane: No but here use one of my tampons

Mary: I cant use tampons I have vaginismus
by Fltterflutter September 12, 2019
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an involunary contraction of the muscles of the vagina during intercourse.
"Elroy thought he wuz about to git his dick pinched off when Linda's muff slamed shut on him."
by J E. Walker May 10, 2003
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The thin area of skin between the vagina and the asshole, similar to an isthmus of land
The tide came up and I was stuck on her vaginismus.
by upland game May 11, 2006
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