What is the origin of the idiom "have a go" and when to use it?

The idiom "have a go" originates from British English and is derived from the notion of attempting or trying something. While its primary meaning is associated with making an effort, it can take on a different connotation. When used to critique or rebuke someone, it is used to suggest a direct and pointed expression of disapproval, often implying a harsh or stern tone.