(on) the wrong side of (some age)

(on) the wrong side of (some age)

Older than a certain age. Why is she dressing like a teenager when she is clearly the wrong side of 40? I get sore after every workout now that I'm on the wrong side of 30! I knew I was on the wrong side of 20 when started gaining weight from my usual diet of junk food and lack of exercise.

See also: of, side, wrong

Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

*on the wrong side of someone

 and *on someone's wrong side

Fig. out of favor with someone. (*Typically: be ~; get ~.) Don't get on the wrong side of her. I do what I can not to get on the wrong side of people.

See also: of, on, side, wrong

McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.