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An Orthodox Jew (derogatory). Occasionally used to describe an exceptionally punctilious, closed-minded, or anal Conservative Jew.

From “frum” (see “frum”, def. 1).
Dovid's such a frummie-- he refused to let his kids go to Rabbi Blechner's school. because he didn't want them to hear about evolution.
by Punctilious non-frummie January 21, 2005
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