Top Definition
the vaginal secretion of an extremly dirty vagina.
sick! i dont wanna taste her vag acid!
by peterpansexual August 07, 2008
5 Words related to vag acid
when the pH of a girls vagina is above four, causing a burning sensation when doing it.
Tiffany has a bad case of the vagacid-
by tiffany October 15, 2003

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