do's and don'ts

Slang Dictionary

do's and don'ts definition


  1. n.
    the rules; the things that should be done and those that should not be done. : I must admit that a lot of the do's and don'ts don't make much sense to me either.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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American Heritage
Idioms & Phrases

do's and don'ts

Rules or customs concerning some activity, as in It's important to know the do's and don'ts of diplomatic receptions. This expression alludes to what one should and should not do or say. [c. 1900]

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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