The most common and most likely answer to this crossword clue is the 9 letter word WHISTLING
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More clues leading to the result WHISTLING
Buddy explains!
The straight part
We know that "blowing the gaff" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case blowing the gaff = whistling.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 WHISTLING mean?
WHISTLING verb- To make a shrill, high-pitched sound by forcing air through the mouth. To produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.
- To make a similar sound by forcing air through a musical instrument or a pipe etc.
- To move in such a way as to create a whistling sound.
- To send, signal, or call by a whistle.
- A shrill, breathy sound; a whistle.