gut reaction to something

gut reaction to (something)

A reaction to a situation based on a person's instinct and feelings, rather than on a logical analysis. My initial gut reaction to news of the merger was that it would result in a drop in stock prices, but the opposite turned out to be true.
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Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

gut reaction (to something)

n. a basic and immediate response to something. Her gut reaction to the plan is basically a good one.
See also: gut, reaction, something, to
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
When I read the script, it just made me laugh out loud and as an actor that's just what you want to get, a gut reaction to something."
I understand why some fans are driven to it when it's a gut reaction to something that has incensed them on the pitch.