get one's comeuppance

get one's comeuppance idiom
Receive the treatment one deserves, especially punishment or retribution. For example, She behaved badly, but I'm sure she'll get her comeuppance soon. The exact relationship of comeuppance to the verb come up in its common senses—“rise” and “present itself”—is no longer clear. [Mid-1800s]

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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