cack up

verb

To vomit or hack up.

“My cat is always cacking up hairballs.”

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Meanings

verbcack up (third-person singular simple present cacks up, present participle cacking up, simple past and past participle cacked up)

present singular third person cacks up · participle present cacking up · participle past cacked up · past cacked up

  1. transitiveTo vomit or hack up.

    My cat is always cacking up hairballs.

  2. slangtransitiveTo mess up; to get seriously wrong.

    OmniCorp has really cacked up this problem.

  3. intransitivefilter; or pipe; filter; or pipeTo become plugged up.

    The pipe has cacked up again, so I'm calling a plumber.

Cite this entry
APA

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

MLA

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

Chicago

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

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