foul up

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foul up

/faʊl ˈʌp/ UK

verb fouls up · fouling up · fouled up

idiomatic, intransitive, slang To make a mistake, to go wrong. You really fouled up this time.
Similar: mess up
transitive To botch; to make a mess of. I fouled up question 3 of the exam.

Similar: fuck up, mess up

Thesaurus

verb

Similar: fuck up, mess up

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MLA

"foul up." Wiktionary, via Micwyn, micwyn.com/word/foul%20up. Accessed 6 Nov. 2026.

APA

foul up. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/foul%20up

Chicago

"foul up." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/foul%20up.

BibTeX

@misc{foul_up_2026,
  title = {foul up},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/foul%20up},
  urldate = {2026-11-06}
}