Blustering type mangled reggae in small western resort, initially (9)

I believe the answer is:

swaggerer

'blustering type' is the definition.
(I know this)

'mangled reggae in small western resort initially' is the wordplay.
'mangled' indicates anagramming the letters.
'in' indicates putting letters inside.
'initially' says to take the initial letters.
The first letters of 'small western resort' is 'swr'.
'reggae' is an anagram of 'aggere'.
'aggere' placed inside 'swr' is 'SWAGGERER'.

(Another definition for swaggerer that I've seen is " he's arrogant".)

I've seen this clue in The Telegraph.

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