Spice Island is the geographical spot on a womans body located between the anus and vaginal openings. Medically it is called the perennium.

It is called Spice Island because the area is shaped like a small island and also has both flavors of ass and vagina, therefore making it quite spicy.
"Hey dude, by accident I licked Spice Island and it tasted like bad Indian food!!"
by danadaisys March 12, 2008
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the plot of skin between a womans asshole and her vagina that collects flavors from both ass and vag.
i should of never went down on my girlfriend after we both went running. her spice island was a little to flavorfull for me.
by iconic2773 March 12, 2008
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