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Close friends who have had sex with the same boy. Like vagina cousins, but more important.
Kerri and Christina are the best vagina sisters out there.
by kbearbabyyyy November 21, 2010
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Jul 19 Word of the Day
the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower
dude i had the best memory wank the other night, i was thinking about that time I walked in on your mum in the shower
by fonzatron2000 April 28, 2007
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2
Two friends that are so close their menstrual cycles become in sync.
Girl 1: "Stephanie has been hanging around Erica a lot lately.. You don't think they're vagina sisters yet... do you?"
Girl 2: "I can't tell.. But I think I'd have to say so."
by Kawaiikittypop September 11, 2014
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3
Two friends who are so close their menstrual cycles are in sync.
Girl 1: "Stephanie sure has been hanging around Erica a lot.. Do you think they're vagina sisters yet?"
Girl 2: "I'm not sure but I'd have to say so.."
by Kawaiikittypop September 11, 2014
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