12 across
Previously
keeping
flashy
eroticist
very
happy
(2,5,4)
Previously keeping flashy eroticist very happy (2,5,4)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
The answer means very happy, as in being on cloud nine. Take ONCE for "previously" and slot inside it LOUD (flashy) followed by NIN (the eroticist Anaïs Nin), so ONCE wraps around LOUD-NIN to give ONC-LOUD-NIN-E.