Make a pig of oneself and undergo vile transformation (11)

I believe the answer is:

overindulge

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'make a pig of oneself' is the definition.
I can't judge whether this defines the answer.

'undergo vile transformation' is the wordplay.
'transformation' is an anagram indicator.
'undergo'+'vile'='undergovile'
'undergovile' is an anagram of 'OVERINDULGE'.

'and' acts as a link.

Can you help me to learn more?

(Other definitions for overindulge that I've seen before include "Take to excess" , "Pander to excessively" , "take things too far" , "pig" , "Spoil through lavish treatment" .)

I've seen this clue in The Irish Times.

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