The most common and most likely answer to this crossword clue is the 9 letter word YAMMERING
Y
A
M
M
E
R
I
N
G
More clues leading to the result YAMMERING
Buddy explains!

The straight part
We know that "talking" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case talking = yammering.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 YAMMERING mean?
YAMMERING verb- To complain peevishly.
- To talk loudly and persistently.
- To repeat on and on, usually loudly or in complaint.
- To make an outcry; to clamor.
- Loud, incoherent, repetitive speech.