Great for surfer to be buzzed about extreme locality (6)

I believe the answer is:

gnarly

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'great for surfer to' is the definition.
I can't judge whether this definition defines the answer.

'buzzed about extreme locality' is the wordplay.
'buzzed' becomes 'rang' (both can mean telephoned).
'about' says the letters should be written in reverse.
'extreme' suggests removing the centre.
'locality' with its centre taken out is 'ly'.
'rang' backwards is 'gnar'.
'gnar'+'ly'='GNARLY'

'be' is the link.

Can you help me to learn more?

(Other definitions for gnarly that I've seen before include "(Of a tree) covered with knots" , "presenting a challenge?" , "Knotted" , "Knotty (wood)" , "Bad-tempered" .)

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

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