A piece of farm machinery, usually towed behind a tractor, used to spray liquified manure on fields

(informal, intransitive) To do random unplanned work or spend time idly / (informal, intransitive) To attempt to do something with a piece of equipment without understanding how it works.

(US, colloquial) A high muckamuck; a person (especially self-important) in a position of power, authority, or status.

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

A tube for the removal of mud and rock debris out to the surface of a caisson.

plural of muck tube

simple past tense and past participle of muck about

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