pay up

pay up idiom
Pay in full, discharge all that is owing, as in, It's late—let's pay up and go home. [c. 1800] Also see pay off, def. 1.

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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