rack up

rack up idiom
Accumulate or score, as in Last night's episode of that new sitcom racked up at least fifteen points in the ratings. [Colloquial; mid-1900s]

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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