Crossword Genius

Daft boy chewed some excess avoirdupois (4,3)

Ross

I believe the answer is:

body fat

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'some excess avoirdupois' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'daft boy chewed' is the wordplay.
'chewed' is an anagram indicator.
'daft'+'boy'='daftboy'
'daftboy' is an anagram of 'BODY FAT'.

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I've seen this clue in the Sydney Morning Herald.
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