25 across
Inclined
to
prattle?
Try
second
drink
(friendly
tip)
(7)
Inclined to prattle? Try second drink (friendly tip) (7)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
Inclined to prattle is your definition, pointing to someone who can't keep a secret. The wordplay builds it up as GO (try) followed by S (second), then SIP (drink), and finally Y (the tip of "friendly").