Mucked about is a slang term used to describe aimlessly wasting time or engaging in frivolous activities. It can also refer to being lazy or unproductive. Synonyms for mucked about include fooling around, goofing off, goofing around, wasting time, idling, lounging, loafing, dilly-dallying, and dawdling. All of these terms indicate a lack of focus and a failure to make efficient use of one's time. While engaging in these types of activities can provide a mental break or needed relaxation, it is important to strike a balance between downtime and maximum productivity for success in all areas of life.