Longman Dictionary of Contemporary English
foul-up
noun
EXAMPLES FROM OTHER ENTRIES
▪ I had to retake my driver's test because of some clerical foul-up.
The Collaborative International Dictionary
foul-up
foul-up \foul-up\ n. an embarrassing mistake.
Syn: blunder, blooper, bungle, flub, botch, boner, boo-boo, misdoing.
Wiktionary
foul-up
n. A disastrous mistake.
WordNet
Usage examples of "foul-up".
Walter told me it began, it seems that right after Christmas there was some kind of foul-up on the phone lines and he heard John Tinker Meadows making some kind of date with a woman, time and place unknown.
Perhaps there had been a major foul-up in security and two ID tags had been issued with the same bar code.
There were unprecedented foul-ups in the food supply and a heavy drain on the power sources necessitated cuts of the entertainment circuits.