Top Definition
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 09, 2003
1 more definition
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 10, 2006

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