Top definition
When a person of the Jewish persuasion experiences the overwhelming side effects of "BoogNastiness." boognasty Though rare, it can be a frightening, and disturbing event for any witnesses, as the one experiencing JewgNastiness wins at nearly everything, cheers loudly at the win, and subsequently foams at the mouth.
-Holy Jeez! Did you Larry Rosenbergengoldenstein today at practice?

-Yeah, that semite was feelin' JewgNasty!
by TSTAT February 24, 2010
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