The Korean foods that best represent the tradition of fermentation developed in Korea include doenjang (soybean paste), ganjang (soy sauce), Gochu-jang (chili paste) and jeotgal (salted seafood), whose fermentation can take anywhere from several months to several years.
Definition of Exaggerate. 1  to enlarge beyond bounds or the truth; tended to romanticize and exaggerate this `gracious Old South imagery.  do something to an excessive degree; He overdid it last night when he did 100 pushups.
I agree with you that hyperbole is better than over-exaggeration, (which, as many pointed out, seems redundant and in bad taste). Also, to me as to you, hyperbole implies (since it is seen as a figure of speech) to be an honest exaggeration--no one is fooled by a statement so extreme as to be impossible. There does, however, seem to be room for over-exaggeration as a way to describe an expression that is dishonest--seriously dishonest.