double date

double date idiom
A social engagement in which two couples go together, as in They went on a double date with her brother and his girlfriend. [c. 1920]

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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