The term "mind-blowing" refers to something that is so extraordinary, unexpected, or impressive that it overwhelms your mental capacity. It can describe experiences, ideas, or events that leave you astonished or in awe, often causing a profound change in your understanding or perspective.
The term "mind-blowing" combines "mind," which refers to the faculty of consciousness, perception, and thought, with "blowing," a colloquial way to indicate that something has a strong impact, akin to being "blown away" by something powerful. It gained popularity in the late 20th century as a part of English colloquial expressions.