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1.
A fictional island that exists in the minds of Jewish stoners that combines the best of Rastafarian and Jewish cultures.

Comes from a combination of the words "Jew" and "Jamaica."
"Matisyahu's next concert will be hosted in Jewmaica, where steel drums play klezmer music, and weed is smoked all week except on Shabbos."
by Matt Garz December 03, 2007
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