(informal, transitive) To ruin unintentionally. / (informal, Australia, intransitive) To clown around; to have fun, often at the expense of others.

To muck about.

(transitive) To clean the excrement and other rubbish from the area where an animal is kept, such as a horse stable or a dog kennel.

plural of muckety muck

To remove muck or dirt from.

Alternative spelling of muckety muck

simple past tense and past participle of muck up

present participle of muck up

plural of muck spreader

(UK) An appellation given to a man who behaves in a perceived aristocratic manner.