Louts do possibly get betrayed (4,3)

I believe the answer is:

sold out

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'betrayed' is the definition.
The answer and definition are different parts of speech. However, adjectives and past participle verbs can occasionally define each other.

'louts do possibly' is the wordplay.
'possibly' is an anagram indicator.
'louts'+'do'='loutsdo'
'loutsdo' is an anagram of 'SOLD-OUT'.

'get' acts as a link.

Can you help me to learn more?

(Another definition for sold out that I've seen is " None left in the shop".)

I've seen this clue in the Evening Standard.

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