n. the mundane workings of something; the basics of something. : She's got a lot of good, general ideas, but when it comes to the nuts and bolts of getting something done, she's no good.
n. the subject of psychology in college. : Tom is flunking nuts and bolts because he won't participate in the required “experiments.”
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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