Definition & Meaning of "gadzooks"in English

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

Gadzooks is an exclamation used to express surprise, alarm, or disbelief, often humorously. It appeared in English in the 17th century as a mild oath derived from "God's hooks," referring to the nails of the crucifix, used to avoid directly swearing by God's name. People used it in literature, theater, and everyday speech to react to shocking, surprising, or absurd events. Today it is inoffensive, humorous, and archaic, mostly used for comic effect or in a playful, exaggerated way rather than serious alarm.