Definition & Meaning of "holy hell"in English

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

Holy hell is an exclamation used to express surprise, shock, or strong emotion. It appeared in American English in the late 19th to early 20th century as a straightforward combination of "holy" and "hell," allowing speakers to convey intense feeling more emphatically than just "hell" alone. People used it in everyday speech, literature, and informal dialogue to react strongly or dramatically. Today it is informal and mildly vulgar, generally acceptable in casual contexts among adults but considered inappropriate in polite or formal settings.