Crossword Genius

A pet dog gun disturbed in drive (3-2-3-2)

Ross

I believe the answer is:

get-up-and-go

'drive' is the definition.
(get-up-and-go is a kind of drive)

'a pet dog gun disturbed' is the subsidiary indication.
'disturbed' indicates anagramming the letters.
'a'+'pet'+'dog'+'gun'='apetdoggun'
'apetdoggun' is an anagram of 'getupandgo'.

'in' is the link.

(Other definitions for get-up-and-go that I've seen before include "Vim" , "'pizazz'" .)

I've seen this clue in The Times.
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