Definition & Meaning of "[have] it out with {sb}"

What is the origin of the idiom "have it out with someone" and when to use it?

The idiom "have it out with someone" originated from the idea of fully addressing or resolving a conflict or disagreement by engaging in a direct and often heated discussion or argument. The phrase is mostly used to convey the idea of a thorough and candid exchange of views, where both parties have an opportunity to express themselves fully.