Crossword Genius

Gambler gets off on being wealthier (6,3)

Ross

I believe the answer is:

better off

I'm a little stuck... Click here to teach me more about this clue!

'on being wealthier' is the definition.
I can't tell whether this defines the answer.

'gambler gets off' is the wordplay.
'gambler' becomes 'better' (better is a kind of gambler).
'gets' says to put letters next to each other.
'better'+'off'='BETTER-OFF'

Can you help me to learn more?

(Other definitions for better off that I've seen before include "Someone setting out for the bookies" , "having lost less" , "wealthy" , "in happier financial circumstances" , "with more money" .)

I've seen this clue in the Sydney Morning Herald.
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