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An Ultra-Orthodox extreme right-wing hassidic jews state of being.
R' Malkiel is very yeshivish.
by malkiel k February 04, 2009
A type of English which includes phrases from Torah learning. It is generally used by Jewish men/women who have spent some time in a yeshiva/seminary.
Person 1: This ice cream is geshmak!
Person 2: What does geshmak mean?
Person 3: It's yeshivish for "fantastic."
by PhDavid June 18, 2011