n. an earnest, hardworking student. (In the way a pig roots or grubs around for food.) : If there are too many grade-grubbers in a class, it will really throw off the grading scale.
n. a student who flatters the teacher in hopes of a higher grade. : A few grade-grubbers help assure old professors that the world is not really changing at all.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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