Noun
gut check (plural gut checks)
(idiomatic, sometimes hyphenated (especially when used attributively)) An honest, reflective appraisal of one's true feelings concerning a matter of concern.
gut-check (plural gut-checks)
Alternative form of gut check
gut-check
I think these movies are as much for people of that time as for people who weren't born. For people who weren't born, they see how leaders must act under a crisis situation, not trying to be re-elected or not trying to check polls, that they go from their gut check. Kevin Costner