foul up

/faʊl ʌp/
noun
  1. A mistake or blunder, especially one that causes confusion or delay.
    • There was a foul-up in the schedule, so the meeting started an hour late.
    • A computer foul-up erased all the data from the system.
    • The shipping company's foul-up caused our package to be sent to the wrong address.
What does "foul up" mean? | whatsthatwordmean | whatsthatwordmean