Very big vehicle shows character papa is after (5)

I believe the answer is:

oscar

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'character papa is after' is the definition.
I know that 'papa' relates to this answer.

'very big vehicle' is the wordplay.
'very big' becomes 'os' (abbreviation for outsize).
'vehicle' becomes 'car' (car is a kind of vehicle).
'os'+'car'='OSCAR'

'shows' acts as a link.

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(Other definitions for oscar that I've seen before include "heard on the radio after November" , "US film award" , "Mr Wilde - film award" , "trophy" , "Code word for O" .)

I've seen this clue in The Times.

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