Definition & Meaning of "[argue] the toss"

What is the origin of the idiom "argue the toss" and when to use it?

The idiom "argue the toss" is believed to have originated in the United Kingdom in the mid-20th century. The phrase is used to describe a situation where someone is engaging in a pointless or fruitless argument or discussion, often over a trivial or unimportant matter. The idiom implies a sense of frustration or annoyance, as the argument or discussion is not likely to achieve anything meaningful or productive.