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So who's revolted by very loud bigmouth? (4-3)

Ross

I believe the answer is:

show-off

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'so who's revolted by very loud bigmouth?' is the definition.
I can't tell whether this definition defines the answer.

'so who's revolted by very loud' is the wordplay.
'revolted' indicates an anagram (I've seen 'revolt' mean this).
'by' is a charade indicator (letters next to each other).
'very loud' becomes 'ff' (musical abbreviation).
'so'+'who'='sowho'
'sowho' anagrammed gives 'showo'.
'showo'+'ff'='SHOW-OFF'

Can you help me to learn more?

(Another definition for show-off that I've seen is " Ostentatious exhibitionist".)

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