When someone is both a douchebag and jewish.
"Have you seen Simon?"
"Yes, he's a total jewishbag."
by Victorsmell November 20, 2013
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A term for someone who uses being Jewish as an excuse for being an asshole.
The Neturei Karta is a group of huge Jewishbags. They support a holocaust denier, even though they're orthodox! They are the Westboro Baptist Church of Judaism.
by floogly boogly October 9, 2016
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