Like a fragmentary fight report? (7)

I believe the answer is:

scrappy

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'like a fragmentary' is the definition.
I can't judge whether this definition defines the answer.

'fight report?' is the wordplay.
'fight' becomes 'scrap' (a scrap is a minor fight).
'report?' becomes 'py' (I can't explain this - if you can you should believe this answer much more).
'scrap'+'py'='SCRAPPY'

Can you help me to learn more?

(Other definitions for scrappy that I've seen before include "Disjointed" , "Fragmentary" , "disorganised" , "Fragmented" .)

I've seen this clue in the Evening Standard.

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