old boy/girl

old boy/girl

An elderly man or woman, especially an active or lively one. These old boys still like to get together and show off the improvements they've made to their cars, something they've been doing for over 40 years. My mother-in-law is going on a date this weekend. That old girl is feistier than I gave her credit for!
See also: boy, girl, old
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

old ˈboy/ˈgirl

(informal)
1 an older man/woman: There’s a nice old boy living next door.
2 a former pupil of a school: He’s one of our most famous old boys.We have an old girls’ reunion every five years.
See also: boy, girl, old
Farlex Partner Idioms Dictionary © Farlex 2017

old girl

n. an old lady; a lively old lady. What makes an old girl like that so feisty?
See also: girl, old
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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