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A region of USY (united synagogue youth) located in Canada. Were pretty much the best region but never get a chance to prove it as our natural enemy the polar bear crashes conventions and eats members.
Jew #1: I'm so bored dude
Jew #2: Then come to an ECRUSY convention
Jew #1: Ok!
Polar bear: yum....
by the ECRUSYer October 02, 2011
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