don'ts

Noun

 * 1) * 1998, M.T., A Sponsorship Guide for 12-Step Programs
 * I don’t like “don’ts.” I like “dos.” I think “don’ts” have a way of being self-defeating.
 * 1) * 2003, T.J. Tomasi and Kathryn Maloney, The 30-Second Golf Swing,
 * Don’t hit it left....
 * Don’t hit it in the water....
 * Playing by don’ts won’t get the job done.
 * Don’t hit it left....
 * Don’t hit it in the water....
 * Playing by don’ts won’t get the job done.

Usage notes
In the phrase "do's and don'ts" the first apostrophe is obviously incorrect, leading to this unusual construction, not used outside of that idiom (and minor plays on it.)