Definition & Meaning of "golly"in English

What is the origin of the exclamation "golly" and how is it used?

Golly is an exclamation used to express surprise, amazement, or delight. It appeared in American English in the late 19th century as a mild euphemism for "God," allowing people to react strongly without swearing. It became popular in newspapers, literature, and cartoons, especially in the early 20th century, and carries a wholesome, old-fashioned, and inoffensive tone today.