Crossword Genius

Irish men find online auction of goods that were once really hot perhaps (4,4)

Ross

I believe the answer is:

fire sale

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'goods that were once really hot perhaps' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

'irish men find online auction' is the wordplay.
'irish men' becomes 'fir' ('men' in Irish Gaelic).
'find' is a charade indicator (letters next to each other).
'online' becomes 'e' (abbreviation for electronic, e.g. in ecommerce).
'auction' becomes 'sale' (I've seen this in another clue).
'fir'+'e'+'sale'='FIRE SALE'

'of' acts as a link.

Can you help me to learn more?

I've seen this clue in The Irish Times.
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