stuff up

verb

To ruin or harm.

“My nose is all stuffed up so I'm speaking funny.”

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Meanings

verbstuff up (third-person singular simple present stuffs up, present participle stuffing up, simple past and past participle stuffed up)

present singular third person stuffs up · participle present stuffing up · participle past stuffed up · past stuffed up

  1. slangtransitiveTo ruin or harm.

    Don't drink tonight, because it'll stuff you up before your business trip.

  2. AustraliaUKintransitiveslangTo make a big mistake.

    We lost the match because of the goalkeeper stuffing up.

  3. transitiveTo cause (the nasal passages) to be blocked.

    My nose is all stuffed up so I'm speaking funny.

Synonyms & antonyms

Also see
cloymake a hash of
Cite this entry
APA

stuff up. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/stuff%20up

MLA

“stuff up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/stuff%20up. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “stuff up,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/stuff%20up.

Source: stuff up on Wiktionary, CC BY-SA 4.0.