The most common and most likely answer to this crossword clue is the 7 letter word DISCUSS
I've seen this crossword clue in The Guardian
D
I
S
C
U
S
S
More clues leading to the result DISCUSS
- Plate thrown, Greeks finally talk things over
- Go into throwing event, last of disciplines
- Treat flying saucer with bit of scepticism
- Talk about sporting event on Sunday
- Talk about athletic contest with son
- Track and field competition requires second review
- Argue about hell and damnation, for instance
- Talk about events?
- Talk about an athletic event with squad leader
- Talk about athletics event at end of Olympics
Buddy explains!

The straight part
We know that "Talk about" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case talk about = discuss.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 DISCUSS mean?
DISCUSS verb- To converse or debate concerning a particular topic.
- To communicate, tell, or disclose (information, a message, etc.).
- To break to pieces; to shatter.
- To deal with, in eating or drinking; consume.
- To examine or search thoroughly; to exhaust a remedy against, as against a principal debtor before proceeding against the surety.
- To drive away, disperse, shake off; said especially of tumors.