The most common and most likely answer to this crossword clue is the 8 letter word VISCERAL
I've seen this crossword clue in Independent
V
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More clues leading to the result VISCERAL
- Circulating quickly around system, chocolate eggs initially in gut
- Intuitive version initially is clear, but misinterpreted
- Gut scar with evil contortion
- Irrational Southern church extremely popular outside
- Five éclairs possibly contributing to something felt in gut
- To do with organs/claviers being out of tune?
- Instinctive swimming rivals, extremely competitive at heart
- Improvisation of claviers, instinctive
- Feeling irrational will rupture vile scar
- Deeply felt, six accept agitated scaler
Buddy explains!

The straight part
We know that "something felt in gut" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case something felt in gut = visceral.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does VISCERAL mean?
VISCERAL adjective- Of or relating to the viscera—internal organs of the body.
- Having to do with the response of the body as opposed to the intellect, as in the distinction between feeling and thinking.
- Having deep sensibility.