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The process or act in which the labia of the woman's vagina gets caught due to friction from the insertion of a member or object, and is pulled partially or completely inside the vaginal canal causing discomfort and or pain. (usu. due to a lack of lubrication)
my girlfriend complained that I didnt use enough lubrication and suffered from intermittent vaginal-undertoe.
by Imnotbotting1980 October 09, 2011
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