The most common and most likely answer to this crossword clue is the 8 letter word WHOOPING
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More clues leading to the result WHOOPING
Buddy explains!

The straight part
We know that "hollering" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hollering = whooping.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 WHOOPING mean?
WHOOPING verb- To make a whoop.
- To shout, to yell.
- To cough or breathe with a sonorous inspiration, as in whooping cough.
- To insult with shouts; to chase with derision.
- To beat, to strike.
- To defeat thoroughly.
- A beating.
- A brutal defeat.