Is Monkeying an Idiom?

To waste time or procrastinate by doing something unproductive or unhelpful; to fool around or spend time idly.

Is it an idiom or a idiom?

An idiom is a phrase or expression that typically presents a figurative, non-literal meaning attached to the phrase; but some phrases become figurative idioms while retaining the literal meaning of the phrase. Categorized as formulaic language, an idiom's figurative meaning is different from the literal meaning.

What is the term Monkeying around mean?

informal. : to do things that are not useful or serious : to waste time We just monkeyed around all afternoon. a young scientist monkeying around in the lab.