Puff guy's groovy ability up (10)

I believe the answer is:

airmanship

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'puff guy's groovy ability up' is the definition.
I can't judge whether this defines the answer.

'puff guy's groovy ability up' is the wordplay.
'puff' becomes 'air'.
'guy' becomes 'man' (guy can informally mean a man).
'groovy ability' becomes 'pihs' (I can't explain this - if you can you should give a lot more credence to this answer).
'up' shows that the letters should be reversed in order (in down clue: letters go upwards).
'pihs' in reverse letter order is 'ship'.
'air'+'man'+'ship'='AIRMANSHIP'

Can you help me to learn more?

(Another definition for airmanship that I've seen is " Need for pilot".)

I've seen this clue in The Independent.

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