Crossword Genius

As an afterthought, and in the middle of feud, goes to party, being phoney (6)

Ross

I believe the answer is:

pseudo

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'being phoney' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

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(Other definitions for pseudo that I've seen before include "Fake, mock, false" , "Ersatz" , "O dupes! being false and insincere" , "'Fake, sham (6)'" , "Does up, looking phoney" .)

I've seen this clue in The Irish Times.
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