Crossword Genius

Rubbish article I'm leaving (2-2)

Ross

I believe the answer is:

ta-ta

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'i'm leaving' is the definition.
I don't know anything about this answer so I cannot judge whether it can be defined by this definition.

'rubbish article' is the wordplay.
'rubbish' becomes 'tat' (low-quality items or material).
'article' becomes 'a' (the indefinite article in English).
'tat'+'a'='TA-TA'

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(Other definitions for ta-ta that I've seen before include "Adieu" , "Cheerio" , "Bye-bye" , "Bye!" , "A Farewell" .)

I've seen this clue in The Telegraph.
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