An Orthodox Jew who, publicly, goes thru the motions of living a morally elevated life but who in private will manipulate that faith to justify their own untoward behavior. Fake Frum are not limited to clergy members and frequently include prominent laity.
Itche Meyer is so , so careful not to gab in synagogue -- - but you should see how he behaves at the shul kiddush (post-prayer Sabbath reception). Then, his fake-frumess REALLY reveals itself
by Yossi Kluger February 20, 2022