Question 1

What does "cack up" mean?

Accepted Answer

To make a serious mistake or completely ruin something through incompetence.

Question 2

How do you use "cack up" in a sentence?

Accepted Answer

He totally cacked up the presentation by forgetting the most important slides.

Question 3

Is "cack up" formal or informal?

Accepted Answer

"cack up" is register-neutral — appropriate in both casual and formal contexts. Crude British slang, not appropriate in formal contexts. 'Cack' is British slang for excrement. Less common than 'cock up' but used similarly. Regional, mostly northern British English.

cack up

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