Top Definition
When a female in Heat sees a potential mate, the hormones that are released may trigger an involuntary reaction. This reaction causes blood to rush to the vaginal area, this swells and creates irritation and irritability. One is able to tell when a female has IVS when she starts sweating uncontrollably and breathing heavily when she sees a potential mate.
Your girlfriend got IVS (Inflammatory Vaginal Syndrome)when she saw me and offered to blow me.
by Zach P. August 17, 2006

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