blow one's mind
Surprise, shock, or amaze one, as in This jazz group blows my mind, or Joe served a jail sentence? That blows my mind. This term is used rather loosely, as seen in the examples; the first signifies amazement and pleasure, the second shock and dismay. [Slang; 1960s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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