standing joke

standing joke idiom
Something that is always funny even though it is often repeated. For example, Mary's “Dennis who?” when her husband is mentioned is a standing joke around here. This idiom employs standing in the sense of “established” or “regular,” a usage dating from the mid-1500s.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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