crap up

crap up idiom
  1. Burden or clutter up, as in Jane crapped up the garden with plastic pink flamingos. [c. 1946]
  2. Ruin or foul up, as in I've really crapped up this speech; can I just start over again? This idiom employs crap in the sense of “defecate.” [Vulgar slang; c. 1950]

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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