The most common and most likely answer to this crossword clue is the 11 letter word SPLATTERING
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More clues leading to the result SPLATTERING
Buddy explains!
The straight part
We know that "making a mess" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case making a mess = splattering.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 SPLATTERING mean?
SPLATTERING verb- To splash; to scatter; to land or strike in an uneven, distributed mess.
- To cause (something) to splatter.
- To spatter (something or somebody).
- A mess of something splattered.