Idioms and Phrases with old story, an
old story, an
A common occurrence or excuse. For example, Karen's mood swings are an old story. [c. 1700] Also see same old story.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.