The most common and most likely answer to this crossword clue is the 9 letter word BRICKBATS
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Buddy explains!

The straight part
We know that "lots of criticism" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lots of criticism = brickbats.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 BRICKBATS mean?
BRICKBATS noun- A piece of brick used as a weapon, especially if thrown, or placed in something like a sock and used as a club.
- A criticism or uncomplimentary remark.
- To attack by throwing brickbats.
- To assail with criticism.