cack up

== English == === Pronunciation === === Verb === cack up (third-person singular simple present cacks up, present participle cacking up, simple past and past participle cacked up) (transitive) To vomit or hack up. (transitive, slang) To mess up; to get seriously wrong. (intransitive, of a plug, filter, or pipe) To become plugged up. ==== Related terms ==== becack becocked caca cack