The most common and most likely answer to this crossword clue is the 8 letter word TATTLING
I've seen this crossword clue in Independent
T
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More clues leading to the result TATTLING
Buddy explains!

The straight part
We know that "gossiping" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case gossiping = tattling.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 TATTLING mean?
TATTLING verb- To chatter; to gossip.
- Often said of children: to report incriminating information about another person, or a person's wrongdoing; to tell on somebody.
- To speak like a baby or young child; to babble, to prattle; to speak haltingly; to stutter.
- The speech of one who tattles.