Intimate conversation (5-2-5)

I believe the answer is:

heart-to-heart

'intimate conversation' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for heart-to-heart that I've seen before include "Candid conversation" , "Intimate conversation" , "Intimate talk" .)

I've seen this clue in The Mirror and The Independent.

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