What is the origin of the idiom "put one's foot in one's mouth" and when to use it?

The idiom "put one's foot in one's mouth" likely stems from the image of someone physically inserting their foot into their own mouth, which is a physically awkward and impossible action. The phrase gained popularity and became established in the English language during the 20th century, reflecting the concept of verbal blunders or social missteps. It is commonly employed in informal settings, such as casual conversations, social gatherings, or everyday interactions. This phrase is often used when someone speaks without thinking, makes a thoughtless comment, or inadvertently offends others.