argue the toss

Possibly derived from the toss of a coin to decide something, such as before a cricket or football match.

argue the toss (third-person singular simple present argues the toss, present participle arguing the toss, simple past and past participle argued the toss)

1. (especially UK) To dispute a decision already made, when inappropriate to do so.

• “argue the toss”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.