muff up

verb

To mess up; to botch

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Meanings

verbmuff up (third-person singular simple present muffs up, present participle muffing up, simple past and past participle muffed up)

present singular third person muffs up · participle present muffing up · participle past muffed up · past muffed up

  1. To mess up; to botch

    "You're tying my hands," complained Tommy. "It's a very delicate affair, and the other fellow will muff it up as likely as not, and then where shall I be? I don't believe one of you has got an ounce of tact."

    1922, Agatha Christie, “Chapter 16”, in The Secret Adversary
Cite this entry
APA

muff up. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/muff%20up

MLA

“muff up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/muff%20up. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “muff up,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/muff%20up.

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